PIC16F570-E/SS - 8-Bit MCU, 3KB Flash, 28-SSOP | Microchip
MPN: PIC16F570-E/SS ✓ Hoạt độngPIC16F570-E/SS Tóm tắt
An 8-bit microcontroller (MCU) is a microprocessor optimized for embedded control, integrating CPU, RAM, program memory, and peripherals (ADC, timers, communication ports) on a single chip. The PIC16F570 belongs to Microchip's enhanced baseline family - positioned below mid-range PIC16 devices - and is part of the broader 8-bit PIC microcontroller hierarchy: enhanced baseline -> mid-range -> enhanced mid-range PIC. This taxonomy matters for engineers selecting migration paths because higher-tier devices add instructions and peripherals while keeping pin compatibility within the same package.
Key features that distinguish the PIC16F570 include an integrated dual op-amp stage (configurable for inverting, non-inverting, or comparator modes), two dedicated comparators with programmable reference, an 11-channel 8-bit ADC, and 64 bytes of internal data EEPROM emulation. The device operates from 2.0V to 5.5V, runs up to 20MHz (200 ns instruction cycle), and offers low-power operation with several sleep/idle modes for battery-driven applications. The Enhanced Baseline core delivers 33 single-word instructions with 12-bit-wide opcodes.
Architecture-wise, the PIC16F570 uses a Harvard RISC design with separate program and data buses, allowing instruction fetch and operand access to occur in the same cycle. The integrated analog peripherals are powered by a dedicated internal bandgap reference and can operate independently of the CPU, making the device suitable for always-on sensor monitoring. The dual op-amps can be configured as programmable gain stages feeding the ADC, reducing the bill of materials in closed-loop control loops.
Typical applications include sealed-lead battery chargers, uninterruptible power supplies, lighting ballast control, security sensor front ends, motor control pre-drivers, and consumer appliances where integrated analog reduces PCB area. The wide operating temperature range (-40C to +125C, indicated by the -E suffix) supports industrial and automotive underhood environments.
When designing with this device, ensure the 28-SSOP exposed-thermal land is soldered to a copper pour for improved heat dissipation and mechanical reliability. The device is in-system programmable via ICSP and supports self-write to its own Flash for bootloader applications. This page synthesizes distributor pricing, drop-in alternatives, and design notes not found in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC16F570-E/SS — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC16F570-E/SS (cùng hình factor và footprint) — khác nhau ở ADC, I/O Pins, MSL Level, Package, Mounting Type.
PIC16F570-I/SS
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F570-E/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F570-I/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F570-E/SP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F570T-E/SS
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F57-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F570-E/SS Tỷ lệ tối đa & tính chất điện
| Core | PIC16 Enhanced Baseline 8-bit RISC |
| Instruction Set Width | 12 bits |
| Program Memory (Flash) | 3 KB (2K x 12) |
| RAM | 64 bytes |
| Data EEPROM (Emulated) | 64 bytes |
| Maximum CPU Frequency | 20 MHz |
| Instruction Cycle | 200 ns |
| Supply Voltage (VDD) | 2.0 V to 5.5 V |
| Nhiệt độ hoạt động | -40C to +125C (Extended, -E suffix) |
| ADC | 11 channels, 8-bit resolution |
| Analog Comparators | 2 |
| Operational Amplifiers | 2 (integrated, configurable) |
| I/O Pins | 25 (bidirectional) |
| Hộp | 28-SSOP (5.30 mm body, 0.65 mm pitch) |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 1 (unlimited floor life at <30C/85% RH) |
| Trạng thái RoHS | Compliant |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
Cấu hình chân PIC16F570-E/SS
| Chân 1 | RA0/AN0 — PORTA bit 0 / ADC input channel 0 |
| Chân 2 | RA1/AN1 — PORTA bit 1 / ADC input channel 1 |
| Chân 3 | RA2/AN2 — PORTA bit 2 / ADC input channel 2 |
| Chân 4 | RA3/AN3 — PORTA bit 3 / ADC input channel 3 |
| Chân 5 | RA4/AN4 — PORTA bit 4 / ADC input channel 4 |
| Chân 6 | RA5/AN5 — PORTA bit 5 / ADC input channel 5 |
| Chân 7 | VDD — Positive supply voltage (2.0V-5.5V) |
| Chân 8 | VSS — Ground reference |
| Chân 9 | OSC1/CLKIN — Oscillator input / external clock input |
| Chân 10 | OSC2/CLKOUT — Oscillator output / clock out |
| Chân 11 | RC0 — PORTC bit 0 |
| Chân 12 | RC1 — PORTC bit 1 |
| Chân 13 | RC2 — PORTC bit 2 |
| Chân 14 | RC3 — PORTC bit 3 |
| Chân 15 | RC4 — PORTC bit 4 |
| Chân 16 | RC5 — PORTC bit 5 |
| Chân 17 | RC6 — PORTC bit 6 |
| Chân 18 | RC7 — PORTC bit 7 |
| Chân 19 | VSS — Ground reference |
| Chân 20 | VDD — Positive supply voltage (2.0V-5.5V) |
| Chân 21 | RB0/AN6 — PORTB bit 0 / ADC input channel 6 |
| Chân 22 | RB1/AN7 — PORTB bit 1 / ADC input channel 7 |
| Chân 23 | RB2/AN8 — PORTB bit 2 / ADC input channel 8 |
| Chân 24 | RB3/AN9 — PORTB bit 3 / ADC input channel 9 |
| Chân 25 | RB4/AN10 — PORTB bit 4 / ADC input channel 10 |
| Chân 26 | RB5 — PORTB bit 5 |
| Chân 27 | RB6/PGC — PORTB bit 6 / ICSP clock |
| Chân 28 | RB7/PGD — PORTB bit 7 / ICSP data |
Ứng dụng tiêu biểu
PIC16F570-E/SS phù hợp cho 6 Áp dụngs: Sealed Lead-Acid Battery Charger, Lighting Ballast Control, Security / PIR Sensor Front End, Industrial Sensor Signal Conditioning, Motor Control Pre-Driver, Smart Appliance User Interface Controller.
Sealed Lead-Acid Battery Charger
The PIC16F570-E/SS fits SLA battery charger designs because its integrated dual op-amps can sense charge current via a low-side shunt resistor and regulate a PWM-driven buck charger without external analog ICs. With 11-channel 8-bit ADC and 25 GPIO, the same MCU samples battery voltage, charge current, and NTC temperature while driving a MOSFET half-bridge. The wide 2.0V to 5.5V VDD range supports direct sensing of a 6V (3-cell) SLA stack; unlike a discrete op-amp + MCU solution it eliminates two external amplifiers and their offset drift.
Được đề xuất
Lighting Ballast Control
The PIC16F570-E/SS serves as the control MCU for fluorescent and HID lighting ballasts because its two integrated analog comparators can detect zero-crossing of the lamp current directly from the resonant tank, eliminating external zero-cross detectors. The 20MHz CPU clock delivers 5 MIPS, sufficient to regulate lamp power via PFC + lamp-current control loops while servicing a UART or DALI interface. The -40C to +125C extended temperature grade supports the hot ballast enclosure; unlike a software-PWM-only solution it offers deterministic analog response.
Được đề xuất
Security / PIR Sensor Front End
The PIC16F570-E/SS integrates the PIR sensor signal-chain front end on a single die: the integrated op-amps provide the high-gain AC amplifier (typically 10k-100k) for the PIR element, the two comparators generate motion-trigger pulses, and the 11-channel ADC calibrates against ambient temperature drift. This replaces a typical 4-IC solution (dual op-amp + comparator + MCU) with one part, reducing PCB area and BOM cost. The -40C to +125C range covers outdoor and attic-mounted PIR detectors.
Được đề xuất
Industrial Sensor Signal Conditioning
The PIC16F570-E/SS conditions bridge-type sensors (load cell, strain gauge, pressure transducer) by using its integrated op-amps as an instrumentation front-end driving the 11-channel 8-bit ADC. With 3KB Flash and 64 bytes RAM, it can run calibration coefficients, linearization, and a UART/I2C output to a host controller. The extended -40C to +125C range supports factory-floor installations; unlike a discrete op-amp + ADC + MCU design it eliminates two chips and their temperature drift mismatch.
Được đề xuất
Motor Control Pre-Driver
The PIC16F570-E/SS pre-drives small brushed DC and stepper motors using its dual comparators for back-EMF sensing and 8-bit ADC for current shunt monitoring, with GPIO toggling a discrete H-bridge. The 20MHz core runs trapezoidal commutation at several kHz while leaving headroom for UART diagnostics. The -E grade survives the underhood thermal environment; unlike a pure digital MCU it samples back-EMF without external comparators.
Được đề xuất
Smart Appliance User Interface Controller
The PIC16F570-E/SS reads capacitive or resistive touch keys (via ADC), drives LED bar indicators (via GPIO + PWM), and communicates with the main appliance controller over UART, all on a single 28-SSOP device. The 11-channel ADC scans up to 11 touch electrodes directly; the 64-byte RAM stores button debounce state; the 3KB Flash holds the UI state machine. Unlike a dedicated touch controller + MCU combination it cuts BOM cost in coffee machines, microwaves, and washing machines.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F570-E/SS — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC16F570-I/SS | PIC16F570-E/SO | PIC16F570-I/SO | PIC16F570-E/SP | PIC16F570T-E/SS | PIC16F57-I/SS |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SSOP | 28-SSOP - same | 28-SOIC - same die, larger footprint | 28-SOIC - same die, larger footprint | 28-SPDIP - through-hole | 28-SSOP - same | 28-SSOP - same |
| Temperature Grade | Extended (-40C to +125C) | Industrial (-40C to +85C) | Extended (-40C to +125C) | Industrial (-40C to +85C) | Extended (-40C to +125C) | Extended (-40C to +125C) | Industrial (-40C to +85C) |
| Program Memory | 3 KB Flash | 3 KB Flash | 3 KB Flash | 3 KB Flash | 3 KB Flash | 3 KB Flash | 2 KB OTP/ROM - 33% less, no self-write |
| Integrated Op-Amps | 2 | 2 | 2 | 2 | 2 | 2 | 0 (no integrated op-amps) |
| Maximum CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Flash Self-Write | Yes | Yes | Yes | Yes | Yes | Yes | No (OTP/ROM) |
Bảo phân biệt quan trọng
- Integrated dual op-amps + dual comparators + 11-channel ADC on one die (vsPIC16F57-I/SS)
- Extended -40C to +125C temperature grade in SSOP package (vsPIC16F570-I/SS)
- Smaller footprint than SOIC variant while keeping full -E temperature grade (vsPIC16F570-E/SO)
Ghi chú thiết kế
The PIC16F570-E/SS operates from 2.0V to 5.5V VDD and includes brown-out detection that should be configured to the application's minimum rail voltage via the BOREN/FBOREN configuration bits. Decouple VDD with a 100nF ceramic capacitor placed within 5mm of pins 7 and 20; add a 10uF bulk capacitor if the supply has high source impedance. The two VDD/VSS pin pairs must both be connected for proper internal substrate biasing - leaving one pair floating can cause erratic ADC readings.
The 28-SSOP package has a 0.65mm pitch and 5.30mm body width; use a 4-layer PCB with continuous ground plane under the device to minimize digital switching noise coupling into the integrated op-amps and ADC. Route the analog inputs (RA0-RA5, RB0-RB4) away from the ICSP lines (RB6/RB7) and oscillator pins (OSC1/OSC2). Place the oscillator crystal within 5mm of pins 9 and 10 with guard traces to ground; long oscillator traces pick up EMI that aliases into ADC readings.
The PIC16F570 is a baseline PIC16 device - it does NOT have the 14-bit instruction set or peripheral library of mid-range PIC16F1xxx devices; do not import mid-range header files. The MCLR pin (pin 1 on some PIC16F570 packages, shared with RA5 on this SSOP variant) must be pulled high via a 10k resistor for normal operation; leaving it floating causes erratic resets. Configuration bits must be set explicitly in source code: oscillator selection (HS/RC/INT), WDT enable, BOR voltage threshold, and code-protect.
The integrated op-amps have limited GBW (~3MHz typical) and slew rate; do not attempt to amplify signals above 100kHz - the op-amp output will distort and inject harmonics into adjacent ADC channels. Add a 100pF-1nF feedback capacitor in parallel with the gain resistor if the source impedance is high (above 10kohm) to prevent oscillation. The internal analog multiplexer must fully settle before ADC acquisition - insert at least 5us of acquisition delay when switching channels.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. -E temperature grade supports industrial and automotive underhood applications but is not formally AEC-Q100 qualified - consult Microchip for Q100-screened variants.
