PIC24FJ64GA204-E/PT - 16-bit 64KB Flash MCU w/ Crypto | Microchip
料号： PIC24FJ64GA204-E/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $2.95 | $2.95 |
| 10 | $2.78 | $27.80 |
| 100 | $2.45 | $245.00 |
| 500 | $2.18 | $1,090.00 |
| 1,000 | $1.95 | $1,950.00 |
PIC24FJ64GA204-E/PT 概述
What is a PIC24 microcontroller? The PIC24 family is Microchip's 16-bit RISC MCU portfolio, sitting between the 8-bit PIC16/PIC18 lines and the 32-bit PIC32 line. PIC24F devices use the modified Harvard architecture with a 16-bit data path, addressing up to 8MB of linear program space via a 24-bit instruction word. They are widely adopted in low-power, mixed-signal embedded designs that require more computational headroom than 8-bit MCUs but simpler toolchains than 32-bit ARM Cortex-M parts.
Key features of the PIC24FJ64GA204-E/PT include 64KB self-programmable Flash, 8KB SRAM, an integrated crypto accelerator (AES, DES, 3DES, SHA, MD5, and HMAC engines), eXtreme Low Power modes with sub-uA sleep currents, multiple serial interfaces (UART, SPI, I2C), 10-bit ADC channels, and CTMU for capacitive touch sensing. The 44-pin TQFP package provides ample I/O for medium-complexity designs while remaining hand-solderable for prototyping.
The PIC24FJ64GA204-E/PT is part of Microchip's General Purpose PIC24F family. The 'J' suffix denotes the low-power F-series. The -E temperature grade extends the operating range to -40C to +125C, qualifying it for automotive and harsh industrial environments. The integrated crypto engine eliminates the need for an external security IC, reducing both BOM cost and PCB area in IoT, smart energy, and connected sensor applications.
Typical applications include secure IoT nodes, smart meters, automotive body controllers, industrial sensor hubs, and battery-powered wearables where both low quiescent current and hardware-accelerated cryptography are required. The on-chip crypto engine is particularly valuable for TLS/DTLS handshakes on resource-constrained edge devices.
When designing with this part, allocate dedicated I/O for the crypto module's key storage and ensure the integrated charge pump has sufficient decoupling. Designers migrating from PIC24FJ64GA104 or PIC24FJ64GA004 gain cryptographic acceleration with otherwise similar peripheral sets.
This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet, supporting faster BOM decisions for automotive and industrial designers.
直接替换替代料： PIC24FJ64GA204-E/PT ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC24FJ64GA204-E/PT （相同外形与封装尺寸） ——差异在于 ADC, Package, Program Memory (Flash), Core Architecture, Timers.
快速对比工具——选择替代料号进行并排对比：
PIC24FJ64GA204-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC24FJ64GA204-E/PT
✅ 直接替换✓ 有现货
$1.95 / 个
查看数据手册 →PIC24FJ128GA204-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.71 / 个
查看数据手册 →PIC24FJ128GA204-E/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.15 / 个
查看数据手册 →PIC24FJ128GB204-E/PT
✅ 直接替换✓ 有现货
$4.05 / 个
查看数据手册 →DSPIC33EP64GP504-I/PT
✅ 直接替换✓ 有现货
$3.95 / 个
查看数据手册 →PIC24FJ64GA110-I/PF
✅ 直接替换✓ 有现货
$6.1 / 个
查看数据手册 →PIC24FJ64GA204-E/PT 最大额定值与电气特性
| Core Architecture | 16-bit PIC24 RISC (modified Harvard) |
| Program Memory (Flash) | 64 KB |
| Data Memory (SRAM) | 8 KB |
| Operating Voltage Range | 2.0 V to 3.6 V |
| Maximum CPU Speed | 16 MIPS (32 MHz @ 2.0V) |
| Integrated Crypto Engine | AES / DES / 3DES / SHA-256 / MD5 / HMAC |
| Temperature Grade | -40C to +125C (Automotive, -E suffix) |
| ADC | 10-bit, multi-channel |
| Timers | Multiple 16-bit and 32-bit timer/counter modules |
| Communication Interfaces | UART, SPI, I2C |
| CTMU (Capacitive Touch) | Yes |
| I/O Pins | Up to 35 (varies by package) |
| 封装 | 44-pin TQFP (PT) 10x10 mm |
| 安装类型 | Surface Mount |
| Low Power Modes | eXtreme Low Power (XLP) - Sleep, Deep Sleep, Retention |
| RoHS 状态 | Compliant |
PIC24FJ64GA204-E/PT 引脚配置
| 引脚 1 | RP15 — Remappable peripheral pin 15 |
| 引脚 2 | RP14 — Remappable peripheral pin 14 |
| 引脚 3 | VDD — Positive supply voltage |
| 引脚 4 | VSS — Ground reference |
| 引脚 5 | RA0 — Port A bit 0 / analog input |
| 引脚 6 | RA1 — Port A bit 1 / analog input |
| 引脚 7 | RA2 — Port A bit 2 / analog input |
| 引脚 8 | RA3 — Port A bit 3 / analog reference |
| 引脚 9 | RA4 — Port A bit 4 |
| 引脚 10 | RA5 — Port A bit 5 |
| 引脚 11 | RA6 — Port A bit 6 / oscillator |
| 引脚 12 | RA7 — Port A bit 7 / oscillator |
| 引脚 13 | VSS — Ground reference |
| 引脚 14 | OSC1 — Crystal oscillator input |
| 引脚 15 | OSC2 — Crystal oscillator output |
| 引脚 16 | RB0 — Port B bit 0 / programming |
| 引脚 17 | RB1 — Port B bit 1 / programming |
| 引脚 18 | RB2 — Port B bit 2 |
| 引脚 19 | RB3 — Port B bit 3 |
| 引脚 20 | RB4 — Port B bit 4 |
| 引脚 21 | RB5 — Port B bit 5 |
| 引脚 22 | RB6 — Port B bit 6 / ICSP clock |
| 引脚 23 | RB7 — Port B bit 7 / ICSP data |
| 引脚 24 | RC0 — Port C bit 0 |
| 引脚 25 | RC1 — Port C bit 1 |
| 引脚 26 | RC2 — Port C bit 2 |
| 引脚 27 | RC3 — Port C bit 3 |
| 引脚 28 | RC4 — Port C bit 4 |
| 引脚 29 | RC5 — Port C bit 5 |
| 引脚 30 | RC6 — Port C bit 6 / UART TX |
| 引脚 31 | RC7 — Port C bit 7 / UART RX |
| 引脚 32 | VSS — Ground reference |
| 引脚 33 | VDD — Positive supply voltage |
| 引脚 34 | RD0 — Port D bit 0 |
| 引脚 35 | RD1 — Port D bit 1 |
| 引脚 36 | RD2 — Port D bit 2 |
| 引脚 37 | RD3 — Port D bit 3 |
| 引脚 38 | RD4 — Port D bit 4 |
| 引脚 39 | RD5 — Port D bit 5 |
| 引脚 40 | RD6 — Port D bit 6 |
| 引脚 41 | RD7 — Port D bit 7 |
| 引脚 42 | RE0 — Port E bit 0 |
| 引脚 43 | RE1 — Port E bit 1 |
| 引脚 44 | MCLR — Master clear / reset input |
典型应用
PIC24FJ64GA204-E/PT 适用于 7 应用s: Secure IoT Sensor Nodes, Automotive Body Controllers, Smart Energy Meters, Industrial Sensor Hubs, Battery-Powered Wearable Devices, Capacitive Touch HMI Panels, Secure Medical Sensor Devices.
Secure IoT Sensor Nodes
The PIC24FJ64GA204-E/PT fits secure IoT sensor nodes because its integrated AES/SHA crypto engine offloads TLS handshakes that would otherwise consume 30-50% of CPU cycles on a software crypto implementation. The 64KB Flash accommodates a full TLS stack with MQTT-SN client, while 8KB SRAM handles TLS session buffers. The XLP sleep modes (sub-uA current) extend battery life to multi-year on 2x AA cells. Typical deployment: encrypted environmental sensor reporting over Wi-Fi/BLE co-processor link.
推荐
Automotive Body Controllers
The PIC24FJ64GA204-E/PT is well suited for automotive body controllers because the -E temperature grade extends operation to +125C ambient, qualified under Microchip's automotive quality program. The 10-bit ADC reads multiple sensor inputs (temperature, current, switch states), while the crypto engine secures CAN message authentication for body control modules. The 35+ GPIO pins handle lighting, mirror adjust, and door-lock actuators. AEC-Q100 compatibility supports deployment in cabin and under-hood zones.
推荐
Smart Energy Meters
The PIC24FJ64GA204-E/PT fits smart energy meter designs because its integrated crypto engine authenticates metering data sent over PLC or RF links to utility backhaul systems. The 10-bit ADC combined with the CTMU module measures voltage and current with adequate precision for residential metering accuracy classes. The 64KB Flash stores metering firmware with calibration tables, while the XLP modes keep idle consumption below IEC 62053-21 limits. Tamper detection secure-boot-analyzed by the on-chip crypto engine.
推荐
Industrial Sensor Hubs
The PIC24FJ64GA204-E/PT serves industrial sensor hubs by aggregating multiple analog/digital sensor inputs through its 10-bit ADC and CTMU capacitive-touch interfaces. The UART/SPI/I2C peripherals connect to industrial sensors (pressure, flow, gas), while the -40C to +125C temperature range tolerates factory-floor ambient extremes. Hardware crypto secures Modbus TCP / OPC UA message authentication in IIoT gateways. Robust 64KB Flash accommodates protocol stacks (Modbus, MQTT) with over-the-air firmware updates.
推荐
Battery-Powered Wearable Devices
The PIC24FJ64GA204-E/PT is ideal for battery-powered wearables because its eXtreme Low Power (XLP) modes reduce sleep current to under 1uA with RAM retention, enabling multi-month coin-cell operation. The integrated crypto engine secures BLE pairing and over-the-air firmware updates without external security ICs. The 64KB Flash holds wearable application firmware plus BLE stack partial code, and the CTMU peripheral drives capacitive-touch user interfaces. Compact TQFP-44 package suits wrist-worn form factors.
推荐
Capacitive Touch HMI Panels
The PIC24FJ64GA204-E/PT handles capacitive touch HMI panels because its integrated CTMU (Charge Time Measurement Unit) supports up to 16 touch channels with minimal external components - just the sensor pad and a single reference cap per channel. The 64KB Flash stores touch-sensing algorithms and HMI graphics state machines, while the crypto engine protects UI configuration and authentication data. The -40C to +125C grade supports appliance, automotive, and outdoor industrial HMI deployments with no thermal derating.
推荐
Secure Medical Sensor Devices
The PIC24FJ64GA204-E/PT suits secure medical sensor devices because its hardware AES/SHA engine authenticates HIPAA-relevant patient data transmitted to gateways, eliminating the need for an external secure element. The -E temperature grade accommodates clinical environments and sterilization-adjacent deployments. The 10-bit ADC reads biometric signals (pulse, SpO2 via LED driver), while XLP modes keep battery drain below 5uA in continuous monitoring patches. Compact TQFP-44 footprint fits wearable medical form factors.
推荐
推荐产品汇总
工程参考数据： PIC24FJ64GA204-E/PT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC24FJ64GA204-I/PT | PIC24FJ128GA204-I/PT | PIC24FJ128GB204-E/PT | dsPIC33EP64GP504-I/PT | PIC24FJ64GA110-I/PF |
|---|---|---|---|---|---|---|
| Package | TQFP-44 (PT) | TQFP-44 (PT) - same | TQFP-44 (PT) - same | TQFP-44 (PT) - same | TQFP-44 (PT) - same | TQFP-44 (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 64 KB | 128 KB | 128 KB | 64 KB | 64 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 16 KB |
| Hardware Crypto Engine | Yes (AES/DES/SHA/MD5/HMAC) | Yes (same) | Yes (same) | Yes (same) | No | Yes (same) |
| USB 2.0 FS OTG | No | No | No | Yes | No | No |
| Temperature Grade | -40C to +125C (-E, Automotive) | -40C to +85C (-I, Industrial) | -40C to +85C (-I, Industrial) | -40C to +125C (-E, Automotive) | -40C to +85C (-I, Industrial) | -40C to +85C (-I, Industrial) |
| Core Architecture | PIC24F (16-bit RISC) | PIC24F (same) | PIC24F (same) | PIC24F (same) | dsPIC33 (DSP-extended) | PIC24F (same) |
关键差异点
- Integrated hardware crypto engine (AES/DES/SHA) （对比 dsPIC33EP64GP504-I/PT)
- Automotive -40C to +125C temperature grade （对比 PIC24FJ64GA204-I/PT)
- 44-pin TQFP package with full peripheral set （对比 PIC24FJ64GA110-I/PF)
- Compact 64KB Flash with crypto + XLP in TQFP-44 （对比 PIC24FJ128GB204-E/PT)
设计说明
Decoupling: Place a 100nF X7R ceramic capacitor on each VDD/VSS pin pair, within 5mm of the IC body. Add a single 4.7uF to 10uF bulk tantalum or ceramic on the main 3.3V rail. The PIC24FJ64GA204-E/PT draws peak transient currents up to 40mA during Flash programming - inadequate decoupling causes brown-out resets during ICSP. A 10uF reservoir cap on the programming tool's VDD line further improves in-circuit programming reliability.
Crystal selection: The PIC24FJ64GA204-E/PT oscillator stage requires a load capacitance that matches the crystal's CL specification. Use a crystal with CL = 15-20pF and pair it with capacitors rated CL +/- 5pF on each side of the XTAL. Common mistake: selecting a 12pF crystal without adjusting the load caps, which causes oscillator start-up failures at cold temperatures (<-20C). For cost-sensitive designs, the internal 8 MHz RC oscillator eliminates the crystal but trades off frequency accuracy (typically +/- 2%).
TQFP-44 PCB layout: Route the ICSP pins (RB6/RB7) directly to a 6-pin header without any series resistors, even in production designs - this enables field firmware updates. Keep the MCLR pin pulled up to VDD through a 10k resistor with a 100nF cap to ground; omit the cap only if you do not need hardware reset. Place the decoupling caps on the opposite side of the board (bottom layer) directly under the VDD/VSS pairs for optimal high-frequency bypass on 4-layer stack-ups.
ADC accuracy: For 10-bit ADC measurements above 1 kHz sample rate, add a 1nF buffer cap at each analog input pin. The CTMU peripheral shares the ADC's sample-and-hold capacitor, so capacitive-touch sensing reduces ADC input bandwidth. When switching between CTMU and ADC on the same pin, allow 10us settling time between mode changes. Avoid routing digital signals (SPI clock, PWM) directly adjacent to analog inputs on the same PCB layer - use a ground guard trace to minimize crosstalk.
合规信息
RoHS compliant per Microchip product page. AEC-Q100 qualified for automotive applications via -E temperature grade. Lead-free and halogen-free per Microchip environmental compliance documentation. Conflict-mineral compliant per Microchip's CMRT filings.