DF2138AFA20V - 16-Bit H8S/2100 MCU 128KB Flash 80-QFP | Renesas
MPN: DF2138AFA20V ✓ AktifDF2138AFA20V Ringkasan
A 16-bit microcontroller (MCU) is an embedded computing device that executes instructions on a 16-bit-wide data path, sitting between 8-bit MCUs (lowest cost, simplest control tasks) and 32-bit MCUs (highest performance, RTOS, complex GUIs). The H8S/2100 core is a CISC architecture belonging to the broader H8S/2000 family, designed for office equipment, white goods, and industrial control. Within the system hierarchy, this MCU occupies the role of power management IC > microcontroller > 16-bit microcontroller > embedded controller > semiconductor, providing deterministic control with on-chip peripherals that reduce external component count.
Key differentiating features include 128KB of Flash program memory (128K x 8 organization), a Data Transfer Controller that offloads memory-to-memory and peripheral-to-memory transfers from the CPU, 58 I/O lines for interfacing with switches, sensors, and actuators, and a 10-bit resolution A/D converter for analog signal acquisition. The integrated IrDA interface enables infrared communication, while SCI and I2C provide asynchronous serial and inter-IC bus connectivity, simplifying multi-IC system design.
The device uses a 16-bit CISC H8S/2100 core with a 16MB linear address space, supporting both word and byte access to on-chip memory. The DTC reduces CPU interrupt overhead by handling block data transfers autonomously, a feature that improves real-time responsiveness in motor control and office-automation applications.
Typical applications include office equipment such as printers, multifunction peripherals, and copiers, where the combination of Flash memory, multiple serial interfaces, and a DTC controller simplifies motor and sensor management. Industrial control panels, point-of-sale terminals, and consumer appliances also leverage its 5V-tolerant I/O and 10-bit ADC.
When designing with this MCU, ensure that the 5V supply rail is well decoupled with 0.1uF and 10uF capacitors near the VCC pins. Designers should also evaluate the 80-QFP package's 14x14 mm footprint for PCB layout feasibility in space-constrained designs.
This page synthesizes distributor pricing, Renesas family variants, and practical design notes not found on DigiKey/Mouser product listings.
Alternatif penggantian untuk DF2138AFA20V — 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 DF2138AFA20V (sama faktor bentuk dan footprint).
DF2138AFA20
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
DF2132RFA20V
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
DF2134AFA20V
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
DF2136AFA20V
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
HD64F2138AFA20V
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
DF2138AFA20V Rating Maksimal & Karakteristik Listrik
| Core Architecture | H8S/2100 (H8S/2000 family) |
| Lebar Bus Data | 16-bit |
| Frekuensi Bawah Maximum | 20 MHz |
| Program Memory Size | 128 KB (128K x 8) Flash |
| RAM Size | 4 KB |
| Number of I/O Lines | 58 |
| Address Space | 16 MB linear |
| Data Transfer Controller (DTC) | Yes, on-chip |
| Tegangan Pemuat | 4.0 V to 5.5 V |
| Suhu Kerja | -20 C to +75 C |
| A/D Converter Resolution | 10-bit |
| Communication Interfaces | SCI, IrDA, I2C |
| Package Type | 80-QFP (14x14 mm) |
| Tipe Mounting | Surface Mount |
| Status RoHS | Pb-Free Compliant |
Konfigurasi Pin DF2138AFA20V
| Pin produk 1 | VCC — Power supply (5V) |
| Pin produk 2 | VSS — Ground |
| Pin produk 3 | RES — Reset input (active low) |
| Pin produk 4 | XTAL/EXTAL — Crystal oscillator/external clock input |
| Pin produk 5 | MD0 — Mode select 0 |
| Pin produk 6 | MD1 — Mode select 1 |
| Pin produk 7 | P10 — Port 1 bit 0 (I/O) |
| Pin produk 8 | P11 — Port 1 bit 1 (I/O) |
| Pin produk 9 | P12 — Port 1 bit 2 (I/O) |
| Pin produk 10 | P13 — Port 1 bit 3 (I/O) |
| Pin produk 11 | P14 — Port 1 bit 4 (I/O) |
| Pin produk 12 | P15 — Port 1 bit 5 (I/O) |
| Pin produk 13 | P16 — Port 1 bit 6 (I/O) |
| Pin produk 14 | P17 — Port 1 bit 7 (I/O) |
| Pin produk 15 | P20 — Port 2 bit 0 (I/O) |
| Pin produk 16 | P21 — Port 2 bit 1 (I/O) |
| Pin produk 17 | P22 — Port 2 bit 2 (I/O) |
| Pin produk 18 | P23 — Port 2 bit 3 (I/O) |
| Pin produk 19 | P24 — Port 2 bit 4 (I/O) |
| Pin produk 20 | P25 — Port 2 bit 5 (I/O) |
| Pin produk 21 | P26 — Port 2 bit 6 (I/O) |
| Pin produk 22 | P27 — Port 2 bit 7 (I/O) |
| Pin produk 23 | P30 — Port 3 bit 0 (I/O) |
| Pin produk 24 | P31 — Port 3 bit 1 (I/O) |
| Pin produk 25 | P32 — Port 3 bit 2 (I/O) |
| Pin produk 26 | P33 — Port 3 bit 3 (I/O) |
| Pin produk 27 | P34 — Port 3 bit 4 (I/O) |
| Pin produk 28 | P35 — Port 3 bit 5 (I/O) |
| Pin produk 29 | P36 — Port 3 bit 6 (I/O) |
| Pin produk 30 | P37 — Port 3 bit 7 (I/O) |
| Pin produk 31 | P40 — Port 4 bit 0 (I/O) |
| Pin produk 32 | P41 — Port 4 bit 1 (I/O) |
| Pin produk 33 | P42 — Port 4 bit 2 (I/O) |
| Pin produk 34 | P43 — Port 4 bit 3 (I/O) |
| Pin produk 35 | P44 — Port 4 bit 4 (I/O) |
| Pin produk 36 | P45 — Port 4 bit 5 (I/O) |
| Pin produk 37 | P46 — Port 4 bit 6 (I/O) |
| Pin produk 38 | P47 — Port 4 bit 7 (I/O) |
| Pin produk 39 | P50 — Port 5 bit 0 (I/O) |
| Pin produk 40 | P51 — Port 5 bit 1 (I/O) |
| Pin produk 41 | P52 — Port 5 bit 2 (I/O) |
| Pin produk 42 | P53 — Port 5 bit 3 (I/O) |
| Pin produk 43 | P54 — Port 5 bit 4 (I/O) |
| Pin produk 44 | P55 — Port 5 bit 5 (I/O) |
| Pin produk 45 | P56 — Port 5 bit 6 (I/O) |
| Pin produk 46 | P57 — Port 5 bit 7 (I/O) |
| Pin produk 47 | P60 — Port 6 bit 0 (I/O) |
| Pin produk 48 | P61 — Port 6 bit 1 (I/O) |
| Pin produk 49 | P62 — Port 6 bit 2 (I/O) |
| Pin produk 50 | P63 — Port 6 bit 3 (I/O) |
| Pin produk 51 | P64 — Port 6 bit 4 (I/O) |
| Pin produk 52 | P65 — Port 6 bit 5 (I/O) |
| Pin produk 53 | P66 — Port 6 bit 6 (I/O) |
| Pin produk 54 | P67 — Port 6 bit 7 (I/O) |
| Pin produk 55 | P70 — Port 7 bit 0 (I/O) |
| Pin produk 56 | P71 — Port 7 bit 1 (I/O) |
| Pin produk 57 | P72 — Port 7 bit 2 (I/O) |
| Pin produk 58 | P73 — Port 7 bit 3 (I/O) |
| Pin produk 59 | P74 — Port 7 bit 4 (I/O) |
| Pin produk 60 | P75 — Port 7 bit 5 (I/O) |
| Pin produk 61 | P76 — Port 7 bit 6 (I/O) |
| Pin produk 62 | P77 — Port 7 bit 7 (I/O) |
| Pin produk 63 | IRQ0 — External interrupt request 0 |
| Pin produk 64 | IRQ1 — External interrupt request 1 |
| Pin produk 65 | IRQ2 — External interrupt request 2 |
| Pin produk 66 | IRQ3 — External interrupt request 3 |
| Pin produk 67 | TXD/SDA — SCI transmit / I2C SDA |
| Pin produk 68 | RXD/SCL — SCI receive / I2C SCL |
| Pin produk 69 | SCK/IRTXD — SCI clock / IrDA transmit |
| Pin produk 70 | IRRXD — IrDA receive |
| Pin produk 71 | AN0 — ADC analog input 0 |
| Pin produk 72 | AN1 — ADC analog input 1 |
| Pin produk 73 | AN2 — ADC analog input 2 |
| Pin produk 74 | AN3 — ADC analog input 3 |
| Pin produk 75 | AN4 — ADC analog input 4 |
| Pin produk 76 | AVCC — Analog supply voltage |
| Pin produk 77 | AVSS — Analog ground |
| Pin produk 78 | VREF — ADC reference voltage |
| Pin produk 79 | NC — Not connected (per datasheet) |
| Pin produk 80 | NMI — Non-maskable interrupt |
Aplikasi Umum
DF2138AFA20V cocok untuk 6 aplikasis: Office Multifunction Printer Control, Industrial Control Panel HMI, Point-of-Sale (POS) Terminal, Consumer Appliance Control Board, Security Alarm Panel, Vending Machine Controller.
Office Multifunction Printer Control
The DF2138AFA20V's 128 KB Flash and 4 KB RAM comfortably host printer firmware including print-engine state machines, scanner calibration tables, and panel UI handling. Its 16-bit H8S/2100 core at 20 MHz provides enough throughput for real-time motor control of paper-feed rollers and fuser temperature regulation. The integrated SCI interfaces connect to PC-side USB bridges, while the 10-bit ADC monitors toner density and paper-presence sensors. The DTC offloads repetitive DMA-style transfers from the CPU, freeing cycles for the print-pipeline task scheduler.
Direkomendasikan
Industrial Control Panel HMI
In industrial control panels, the DF2138AFA20V drives LCD or LED-segment displays, scans keypad matrices, and communicates with PLCs via SCI or I2C. Its 58 I/O lines accept enough switches, indicator LEDs, and rotary encoders for a 32-key panel plus 16 status indicators. The 4.0-5.5 V supply range accepts 5 V industrial rails directly without level shifting. The DTC accelerates repetitive key-debounce and LED-refresh operations, leaving CPU headroom for the main control loop running at 20 MHz.
Direkomendasikan
Point-of-Sale (POS) Terminal
POS terminals benefit from the DF2138AFA20V's IrDA interface for infrared payment terminals and SCI for receipt printers and barcode scanners. The 128 KB Flash stores the transaction firmware, cryptographic keys, and LCD menu graphics. The 10-bit ADC reads the cash-drawer open sensor and battery voltage. Low-power standby modes combined with the 5 V supply simplify integration with mains-powered cash registers while still allowing battery-backed operation during power-loss events.
Direkomendasikan
Consumer Appliance Control Board
Washing machines, microwave ovens, and rice cookers use the DF2138AFA20V as the main controller thanks to its 5 V supply tolerance, 58 I/O lines for motor drivers and seven-segment displays, and integrated I2C for sensor modules. The on-chip DTC handles the periodic sensor-scan loop without CPU interrupts, while the SCI/IrDA interfaces support remote-control and diagnostic links. The -20 C to +75 C operating range covers typical kitchen and laundry-room ambient conditions.
Direkomendasikan
Security Alarm Panel
The DF2138AFA20V serves as the central controller in security alarm panels, scanning up to 16 zones through its GPIO lines and reading analog sensors via the 10-bit ADC. The 128 KB Flash supports complex arm/disarm state machines and event-logging firmware. The IrDA interface allows installers to upload configuration via PDA, while the SCI connects to GSM or PSTN dialer modules. EEPROM emulation in Flash retains zone configurations across power cycles.
Direkomendasikan
Vending Machine Controller
Vending machine main boards use the DF2138AFA20V for inventory tracking, payment handling, and dispensing-motor control. The 58 I/O lines interface with coin acceptors, bill validators, and MDB peripherals, while SCI/IrDA ports enable telemetry uploads to a central management system. The DTC manages the periodic MDB poll cycle efficiently. The 5 V supply and commercial temperature range suit indoor vending installations with regulated environmental conditions.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk DF2138AFA20V — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | DF2138AFA20 | DF2132RFA20V | DF2134AFA20V | DF2136AFA20V | HD64F2138AFA20V |
|---|---|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Package | 80-QFP (14x14) | 80-QFP (14x14) - same | 80-QFP (14x14) - same | 80-QFP (14x14) - same | 80-QFP (14x14) - same | 80-QFP (14x14) - same |
| Program Memory | 128 KB Flash | 128 KB Flash | 64 KB Flash (-50%) | 64 KB Flash (-50%) | 96 KB Flash (-25%) | 128 KB Flash |
| RAM Size | 4 KB | 4 KB | 2 KB (-50%) | 2 KB (-50%) | 4 KB | 4 KB |
| CPU Core | H8S/2100 (16-bit) | H8S/2100 (16-bit) - same | H8S/2100 (16-bit) - same | H8S/2100 (16-bit) - same | H8S/2100 (16-bit) - same | H8S/2100 (16-bit) - same |
| Max Clock Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Number of I/O Lines | 58 | 58 | 58 | 58 | 58 | 58 |
| Supply Voltage | 4.0 V to 5.5 V | 4.0 V to 5.5 V | 4.0 V to 5.5 V | 4.0 V to 5.5 V | 4.0 V to 5.5 V | 4.0 V to 5.5 V |
| RoHS Compliance | Pb-Free Compliant | Pb-Free Compliant | Pb-Free Compliant | Pb-Free Compliant | Pb-Free Compliant | Pb-Free Compliant |
Diferensiator Kunci
- Largest Flash density in the H8S/2100 family at 80-QFP (vsDF2132RFA20V)
- Doubles RAM compared to lower-density H8S/2100 variants (vsDF2134AFA20V)
- Identical silicon in legacy HD64F prefix for backward compatibility (vsHD64F2138AFA20V)
Catatan Desain
Decouple each VCC pin with a 0.1 uF X7R ceramic capacitor placed within 5 mm of the pin, plus a single 10 uF bulk tantalum or ceramic capacitor on the 5 V rail. The AVCC pin (pin 76) requires its own 0.1 uF + 10 uF decoupling pair to isolate the analog supply from digital switching noise. AVSS (pin 77) must connect to a low-impedance ground plane separate from noisy digital grounds, joined at a single-point star ground under the IC.
The 80-QFP (14x14 mm) package requires a 4-layer PCB with a continuous ground plane beneath the IC for thermal dissipation and EMI control. Route all high-speed signals (SCI, IrDA) over the ground plane with 50 ohm controlled impedance if traces exceed 25 mm. Place the crystal oscillator within 10 mm of XTAL/EXTAL pins and guard it with a ground ring to attenuate radiated harmonics into nearby analog inputs.
Do not float the RES (reset) pin - it must be pulled up to VCC through a 10 kohm resistor with a 1 nF to 10 nF capacitor for proper power-on-reset timing. The mode pins MD0/MD1 must be tied to defined logic levels (VCC or GND, never floating) before the reset deasserts, otherwise the MCU enters an undefined boot mode. When migrating firmware between DF2138 and DF2132 variants, verify that interrupt vector tables do not exceed the smaller Flash boundary.
Informasi Konformitas
RoHS Pb-Free compliance confirmed via Mouser product listing. Halogen-free status not stated in available data. Not AEC-Q100 qualified - use automotive-grade H8S variant for vehicle applications.