CY8C3866AXI-035 - 8051 PSoC 3 MCU 64KB Flash 67MHz | Infineon
MPN: CY8C3866AXI-035 ✓ AktifCY8C3866AXI-035 Ringkasan
What is a PSoC (Programmable System-on-Chip)? A PSoC is a microcontroller family that combines a CPU core with configurable analog blocks (ADCs, DACs, op-amps, comparators) and configurable digital blocks (UDBs, timers, UART/SPI/I2C) on a single die. The 'system-on-chip' hierarchy is: PSoC -> mixed-signal MCU -> microcontroller -> embedded processor -> semiconductor. PSoC 3 specifically uses the legacy-friendly 8051 core with industry-best ultra-low-power operation and wide voltage tolerance, making it a versatile platform for industrial, consumer, and white-goods designs.
Key features of the CY8C3866AXI-035 include: 24 Universal Digital Blocks (UDBs) for custom logic, timers and state machines; one CAN 2.0b interface; 1.71 V to 5.5 V operating voltage range with on-chip voltage regulation; up to 62 GPIO; industrial temperature grade (-40 C to +85 C); and four Flash protection levels with 8 KB ECC Flash. The single-cycle 8051 core, dual data pointers, and integrated PHUB with eight spokes enable efficient DMA-driven data movement without CPU overhead.
Typical applications include industrial control, motor drive signal conditioning, sensor hubs, USB/CAN bridges, and human-machine interface (HMI) front-ends where the analog and digital configurability of PSoC reduces BOM cost and PCB area. Its 0.5 V to 5.5 V supply tolerance allows direct connection to batteries, regulated 3.3 V rails, and legacy 5 V logic in mixed-voltage systems.
When designing with the CY8C3866AXI-035, allocate the 24 UDBs early in the schematic phase because they are the device's most constrained resource, and respect the 100-pin TQFP decoupling scheme (one 100 nF per power pin). For new designs, consider the newer PSoC 4000S/4100S families only if your firmware is portable to ARM Cortex-M0+; otherwise, the CY8C3866AXI-035 remains a strong, mature 8051-based mixed-signal choice. This page synthesizes distributor pricing, drop-in alternatives within the PSoC 3 family, and practical design notes not aggregated on any single vendor page.
Alternatif penggantian untuk CY8C3866AXI-035 — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian CY8C3866AXI-035 (sama faktor bentuk dan footprint) — berbeda di dalam Package, ADC, Program Memory (Flash), SRAM, Mounting Type.
CY8C3866AXI-040
✅ Drop-InKontak untuk harga
Lihat Datasheet →CY8C3866AXI-033
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
CY8C3866AXI-035T
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
CY8C3866AXI-035 Rating Maksimal & Karakteristik Listrik
| Manufacturer | Infineon Technologies (formerly Cypress Semiconductor) |
| Series | PSoC 3, CY8C38xx |
| Core | 8051 (8-bit, single-cycle) |
| Maximum Core Clock | 67 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) |
| SRAM | 8 KB |
| Data EEPROM | 1 KB |
| ECC Flash | 8 KB |
| Supply Voltage Range | 0.5 V to 5.5 V (operating 1.71 V to 5.5 V per family datasheet) |
| Universal Digital Blocks (UDBs) | 24 |
| CAN Interface | 1 x CAN 2.0b |
| DMA Controller | PHUB with 8 spokes (parallel access paths) |
| GPIO (maximum) | 62 |
| Paket | 100-pin TQFP (14 x 14 mm), gull-wing |
| Suhu Kerja | -40 C to +85 C (industrial) |
| Flash Protection Levels | 4 |
| Status RoHS | Compliant |
Konfigurasi Pin CY8C3866AXI-035
| Pin produk 1 | P0[0] — GPIO / analog / UDB function (port 0 bit 0) |
| Pin produk 2 | P0[1] — GPIO / analog / UDB function (port 0 bit 1) |
| Pin produk 3 | P0[2] — GPIO / analog / UDB function (port 0 bit 2) |
| Pin produk 4 | P0[3] — GPIO / analog / UDB function (port 0 bit 3) |
| Pin produk 5 | P0[4] — GPIO / analog / UDB function (port 0 bit 4) |
| Pin produk 6 | P0[5] — GPIO / analog / UDB function (port 0 bit 5) |
| Pin produk 7 | P0[6] — GPIO / analog / UDB function (port 0 bit 6) |
| Pin produk 8 | P0[7] — GPIO / analog / UDB function (port 0 bit 7) |
| Pin produk 9 | P1[0] — GPIO / UDB function (port 1 bit 0) |
| Pin produk 10 | P1[1] — GPIO / UDB function (port 1 bit 1) |
| Pin produk 11 | P1[2] — GPIO / UDB function (port 1 bit 2) |
| Pin produk 12 | P1[3] — GPIO / UDB function (port 1 bit 3) |
| Pin produk 13 | P1[4] — GPIO / UDB function (port 1 bit 4) |
| Pin produk 14 | P1[5] — GPIO / UDB function (port 1 bit 5) |
| Pin produk 15 | P1[6] — GPIO / UDB function (port 1 bit 6) |
| Pin produk 16 | P1[7] — GPIO / UDB function (port 1 bit 7) |
| Pin produk 17 | P2[0] — GPIO / UDB function (port 2 bit 0) |
| Pin produk 18 | P2[1] — GPIO / UDB function (port 2 bit 1) |
| Pin produk 19 | P2[2] — GPIO / UDB function (port 2 bit 2) |
| Pin produk 20 | P2[3] — GPIO / UDB function (port 2 bit 3) |
| Pin produk 21 | P2[4] — GPIO / UDB function (port 2 bit 4) |
| Pin produk 22 | P2[5] — GPIO / UDB function (port 2 bit 5) |
| Pin produk 23 | P2[6] — GPIO / UDB function (port 2 bit 6) |
| Pin produk 24 | P2[7] — GPIO / UDB function (port 2 bit 7) |
| Pin produk 25 | P3[0] — GPIO / UDB function (port 3 bit 0) |
| Pin produk 26 | P3[1] — GPIO / UDB function (port 3 bit 1) |
| Pin produk 27 | P3[2] — GPIO / UDB function (port 3 bit 2) |
| Pin produk 28 | P3[3] — GPIO / UDB function (port 3 bit 3) |
| Pin produk 29 | P3[4] — GPIO / UDB function (port 3 bit 4) |
| Pin produk 30 | P3[5] — GPIO / UDB function (port 3 bit 5) |
| Pin produk 31 | P3[6] — GPIO / UDB function (port 3 bit 6) |
| Pin produk 32 | P3[7] — GPIO / UDB function (port 3 bit 7) |
| Pin produk 33 | P4[0] — GPIO / UDB function (port 4 bit 0) |
| Pin produk 34 | P4[1] — GPIO / UDB function (port 4 bit 1) |
| Pin produk 35 | P4[2] — GPIO / UDB function (port 4 bit 2) |
| Pin produk 36 | P4[3] — GPIO / UDB function (port 4 bit 3) |
| Pin produk 37 | P4[4] — GPIO / UDB function (port 4 bit 4) |
| Pin produk 38 | P4[5] — GPIO / UDB function (port 4 bit 5) |
| Pin produk 39 | P4[6] — GPIO / UDB function (port 4 bit 6) |
| Pin produk 40 | P4[7] — GPIO / UDB function (port 4 bit 7) |
| Pin produk 41 | P5[0] — GPIO / UDB function (port 5 bit 0) |
| Pin produk 42 | P5[1] — GPIO / UDB function (port 5 bit 1) |
| Pin produk 43 | P5[2] — GPIO / UDB function (port 5 bit 2) |
| Pin produk 44 | P5[3] — GPIO / UDB function (port 5 bit 3) |
| Pin produk 45 | P5[4] — GPIO / UDB function (port 5 bit 4) |
| Pin produk 46 | P5[5] — GPIO / UDB function (port 5 bit 5) |
| Pin produk 47 | P5[6] — GPIO / UDB function (port 5 bit 6) |
| Pin produk 48 | P5[7] — GPIO / UDB function (port 5 bit 7) |
| Pin produk 49 | P6[0] — GPIO / UDB function (port 6 bit 0) |
| Pin produk 50 | P6[1] — GPIO / UDB function (port 6 bit 1) |
| Pin produk 51 | P6[2] — GPIO / UDB function (port 6 bit 2) |
| Pin produk 52 | P6[3] — GPIO / UDB function (port 6 bit 3) |
| Pin produk 53 | P6[4] — GPIO / UDB function (port 6 bit 4) |
| Pin produk 54 | P6[5] — GPIO / UDB function (port 6 bit 5) |
| Pin produk 55 | P6[6] — GPIO / UDB function (port 6 bit 6) |
| Pin produk 56 | P6[7] — GPIO / UDB function (port 6 bit 7) |
| Pin produk 57 | P7[0] — GPIO / UDB function (port 7 bit 0) |
| Pin produk 58 | P7[1] — GPIO / UDB function (port 7 bit 1) |
| Pin produk 59 | P7[2] — GPIO / UDB function (port 7 bit 2) |
| Pin produk 60 | P7[3] — GPIO / UDB function (port 7 bit 3) |
| Pin produk 61 | P7[4] — GPIO / UDB function (port 7 bit 4) |
| Pin produk 62 | P7[5] — GPIO / UDB function (port 7 bit 5) |
| Pin produk 63 | P7[6] — GPIO / UDB function (port 7 bit 6) |
| Pin produk 64 | P7[7] — GPIO / UDB function (port 7 bit 7) |
| Pin produk 65 | P8[0] — GPIO / UDB function (port 8 bit 0) |
| Pin produk 66 | P8[1] — GPIO / UDB function (port 8 bit 1) |
| Pin produk 67 | P8[2] — GPIO / UDB function (port 8 bit 2) |
| Pin produk 68 | P8[3] — GPIO / UDB function (port 8 bit 3) |
| Pin produk 69 | P8[4] — GPIO / UDB function (port 8 bit 4) |
| Pin produk 70 | P8[5] — GPIO / UDB function (port 8 bit 5) |
| Pin produk 71 | P8[6] — GPIO / UDB function (port 8 bit 6) |
| Pin produk 72 | P8[7] — GPIO / UDB function (port 8 bit 7) |
| Pin produk 73 | P12[0] — GPIO / UDB function (port 12 bit 0) |
| Pin produk 74 | P12[1] — GPIO / UDB function (port 12 bit 1) |
| Pin produk 75 | P12[2] — GPIO / UDB function (port 12 bit 2) |
| Pin produk 76 | P12[3] — GPIO / UDB function (port 12 bit 3) |
| Pin produk 77 | P12[4] — GPIO / UDB function (port 12 bit 4) |
| Pin produk 78 | P12[5] — GPIO / UDB function (port 12 bit 5) |
| Pin produk 79 | P12[6] — GPIO / UDB function (port 12 bit 6) |
| Pin produk 80 | P12[7] — GPIO / UDB function (port 12 bit 7) |
| Pin produk 81 | P15[0] — GPIO / UDB function (port 15 bit 0) |
| Pin produk 82 | P15[1] — GPIO / UDB function (port 15 bit 1) |
| Pin produk 83 | P15[2] — GPIO / UDB function (port 15 bit 2) |
| Pin produk 84 | P15[3] — GPIO / UDB function (port 15 bit 3) |
| Pin produk 85 | P15[4] — GPIO / UDB function (port 15 bit 4) |
| Pin produk 86 | P15[5] — GPIO / UDB function (port 15 bit 5) |
| Pin produk 87 | P15[6] — GPIO / UDB function (port 15 bit 6) |
| Pin produk 88 | P15[7] — GPIO / UDB function (port 15 bit 7) |
| Pin produk 89 | VDD — Main supply voltage (1.71 V to 5.5 V) |
| Pin produk 90 | VDDIO — I/O supply reference |
| Pin produk 91 | VDDA — Analog supply |
| Pin produk 92 | VSSA — Analog ground |
| Pin produk 93 | VSSD — Digital ground |
| Pin produk 94 | XRES — Active-low external reset |
| Pin produk 95 | XTAL32KP — 32.768 kHz crystal positive terminal (watchdog crystal) |
| Pin produk 96 | XTAL32KN — 32.768 kHz crystal negative terminal |
| Pin produk 97 | CAN_RX — CAN 2.0b receive input |
| Pin produk 98 | CAN_TX — CAN 2.0b transmit output |
| Pin produk 99 | USB_DM — USB D- (full-speed) when USB block is enabled |
| Pin produk 100 | USB_DP — USB D+ (full-speed) when USB block is enabled |
Aplikasi Umum
CY8C3866AXI-035 cocok untuk 6 aplikasis: Industrial Motor Control, USB / CAN Communication Bridge, Sensor Hub and Signal Conditioning, White Goods and Home Appliance HMI, Portable Battery-Powered Instrument, Building Automation Controller.
Industrial Motor Control
The CY8C3866AXI-035 is well suited to industrial motor control front-ends because its 24 Universal Digital Blocks can be configured as PWM generators, quadrature decoders, and fault timers without loading the 8051 core. With one CAN 2.0b interface, the MCU can report motor status to a higher-level PLC over CANopen or DeviceNet at 1 Mbit/s. Its 0.5 V to 5.5 V supply tolerance lets it share a board with both 3.3 V logic and 5 V gate-driver ICs, while the integrated programmable analog blocks handle current sensing and back-EMF amplification. Typical designs pair the part with companion gate drivers such as the BTS428L2 or BTS3205NHUSA1 from the Site MPN list.
Direkomendasikan
USB / CAN Communication Bridge
With one CAN 2.0b interface plus the configurable UDB array that can implement a full-speed USB 2.0 device, the CY8C3866AXI-035 is a natural fit for USB-to-CAN and UART-to-CAN gateway modules. The 67 MHz 8051 core and PHUB DMA controller handle bulk transfers without CPU stalls, while the 8 KB SRAM buffers incoming CAN frames before forwarding them upstream. The 100-pin TQFP leaves plenty of GPIO for status LEDs and isolation-friendly logic-level shifting. Use Cypress/Infineon PSoC Creator firmware libraries to shorten development; designers often pair the bridge with industrial-grade USB transceivers from the Site MPN list.
Direkomendasikan
Sensor Hub and Signal Conditioning
The configurable analog subsystem of the CY8C3866AXI-035 includes delta-sigma ADCs, SAR ADCs, DACs, op-amps, comparators, and a precision reference, letting the chip condition multiple sensor outputs in hardware before the 8051 reads the digital result. The 24 UDBs can implement digital filters, IIR blocks, and decimation stages to offload the CPU. Supply tolerance down to 0.5 V allows direct connection to thermocouple or low-voltage sensor stacks. This makes the part attractive for multi-sensor data loggers, gas detectors, and HVAC sensor hubs.
Direkomendasikan
White Goods and Home Appliance HMI
Cap-touch, segment LCD, and LED matrix user interfaces are common in washing machines, dishwashers, and ovens. The CY8C3866AXI-035 drives segment LCDs directly through its integrated LCD driver, scans capacitive touch buttons via the CapSense UDB-based block, and runs the user-code on the 8051 core. The wide 1.71 V to 5.5 V operating voltage simplifies power design for appliances with 3.3 V digital and 5 V analog sections. Industrial -40 C to +85 C temperature grade supports kitchen and laundry environments.
Direkomendasikan
Portable Battery-Powered Instrument
Battery-powered test gear benefits from the CY8C3866AXI-035's 0.5 V to 5.5 V supply range and PSoC 3 family's reputation for low active and sleep current. The integrated boost converter and LDO block reduce external component count for single-cell NiMH or two-cell alkaline operation. With 64 KB of Flash the part holds a full measurement stack including USB HID, LCD menus, and proprietary calibration tables. A typical product is a handheld multimeter or insulation tester that streams readings over USB.
Direkomendasikan
Building Automation Controller
Building automation controllers (HVAC, lighting, access) require reliable CAN or RS-485 connectivity, plenty of GPIO, and long-term firmware stability - all attributes of the CY8C3866AXI-035. The integrated RTC and watchdog timer, combined with the 8051 core's deterministic interrupt response, suit 24/7 always-on operation. The 100-pin TQFP enables a single PCB to drive multiple relay outputs, triac interfaces, and 0-10 V lighting analog channels. Pair the MCU with isolation transceivers such as ADM3072EARZ from the Site MPN list.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk CY8C3866AXI-035 — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | CY8C3866AXI-040 | CY8C3866AXI-033 | CY8C3866AXI-035T |
|---|---|---|---|---|
| Package | TQFP-100 (14x14 mm) | TQFP-100 (14x14 mm) - same | TQFP-100 (14x14 mm) - same | TQFP-100 (14x14 mm) - same |
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Core | 8-bit 8051 at 67 MHz | 8-bit 8051 at 67 MHz | 8-bit 8051 at 67 MHz | 8-bit 8051 at 67 MHz |
| Flash | 64 KB | 64 KB | 64 KB | 64 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB |
| UDBs | 24 | 24 | 24 | 24 |
| CAN 2.0b | 1 | 1 | 1 | 1 |
| Supply Voltage | 0.5 V to 5.5 V | 0.5 V to 5.5 V | 0.5 V to 5.5 V | 0.5 V to 5.5 V |
| Packaging Format | Tray | Tray | Tray | Tape & Reel |
Diferensiator Kunci
- Same-package drop-in silicon revision -033 (vsCY8C3866AXI-033)
- Same-package drop-in silicon revision -040 (vsCY8C3866AXI-040)
- Assembly-format alternative -035T (vsCY8C3866AXI-035T)
Catatan Desain
Place a 100 nF X7R decoupling capacitor within 3 mm of every VDD/VDDIO/VDDA pin, and a bulk 4.7 uF to 10 uF ceramic near the package. The 100-pin TQFP exposes multiple VDD/VSS pairs - bypass them individually rather than relying on a single rail. Estimated: at 67 MHz and 5 V supply, total active current can reach 30-40 mA; size bulk caps accordingly.
Route the 32.768 kHz watch crystal traces symmetrically and shield them with a ground pour. Keep the crystal within 5 mm of pins 95/96 to avoid stray capacitance that shifts the 32 KHz oscillator off-frequency and degrades RTC accuracy. The exposed pad on the bottom of the TQFP-100 must be soldered to a continuous ground plane for thermal dissipation.
Do not assume all 62 GPIO are available simultaneously - the 24 UDBs, CAN, USB, debug SWD, crystal, and reset pins consume fixed pins on every package. Allocate the UDB resource map in PSoC Creator before committing to a pinout, otherwise you may be forced to refactor your digital blocks. Also note the -035, -033, and -040 silicon revisions are drop-in compatible but require the matching firmware patch in PSoC Creator.
Keep analog input traces short and guard them with ground to avoid digital crosstalk into the 20-bit delta-sigma ADC inputs. Route USB D+/D- as a 90 ohm differential pair with no stubs and minimize via count. The CAN TX/RX pins (97/98) should connect through a CAN transceiver (e.g., TLE7250-3GE or ADM3053) - never drive the bus directly from the MCU pins.
Informasi Konformitas
RoHS compliant per Infineon product page. Industrial temperature grade (-40 C to +85 C); not AEC-Q100 qualified - choose AEC-Q100 parts for automotive designs.
