PIC24FJ256GA110 FAMILY
Special Microcontroller Features:
• Operating Voltage Range of 2.0V to 3.6V
• Self-Reprogrammable under Software Control
• 5.5V Tolerant Input (digital pins only)
• Configurable Open-Drain Outputs on Digital I/O
• High-Current Sink/Source (18 mA/18 mA) on all I/O
• Selectable Power Management modes:
- Sleep, Idle and Doze modes with fast wake-up
• Fail-Safe Clock Monitor Operation:
- Detects clock failure and switches to on-chip
FRC oscillator
• On-Chip LDO Regulator
Pin Diagram (64-Pin TQFP and QFN(1))
• Power-on Reset (POR), Power-up Timer (PWRT),
Low-Voltage Detect (LVD) and Oscillator Start-up Timer
(OST)
• Flexible Watchdog Timer (WDT) with On-Chip
Low-Power RC Oscillator for Reliable Operation
• In-Circuit Serial Programming™ (ICSP™) and
In-Circuit Debug (ICD) via 2 Pins
• JTAG Boundary Scan Support
• Brown-out Reset (BOR)
• Flash Program Memory:
- 10,000 erase/write cycle endurance (minimum)
- 20-year data retention minimum
- Selectable write protection boundary
- Write protection option for Flash Configuration
Words
CN63/PMD5/RE5
SCL3/CN64/PMD6/RE6
SDA3/CN65/PMD7/RE7
PMA5/RP21/C1IND/CN8/RG6
C1INC/RP26/CN9/PMA4/RG7
C2IND/RP19/CN10/PMA3/RG8
MCLR
C2INC/RP27/CN11/PMA2/RG9
VSS
VDD
PGEC3/AN5/C1INA/RP18/CN7/RB5
PGED3/AN4/C1INB/RP28/CN6/RB4
AN3/C2INA/CN5/RB3
AN2/C2INB/RP13/CN4/RB2
PGEC1/AN1/VREF-/RP1/CN3/RB1
PGED1/AN0/VREF+/RP0/CN2/PMA6/RB0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PIC24FJ64GA106
PIC24FJ128GA106
PIC24FJ192GA106
PIC24FJ256GA106
48 SOSCO/C3INC/RPI37/T1CK/CN0/RC14
47 SOSCI/C3IND/CN1/RC13
46 RP11/CN49/RD0
45 RP12/CN56/PMCS1/RD11
44 RP3/CN55/PMCS2/RD10
43 RP4/CN54/RD9
42 RTCC/RP2/CN53/RD8
41 VSS
40 OSCO/CLKO/CN22/RC15
39 OSCI/CLKI/CN23/RC12
38 VDD
37 SCL1/CN83/RG2
36 SDA1/CN84/RG3
35 ASCK1/RPI45/INT0/CN72/RF6
34 RP30/CN70/RF2
33 RP16/CN71/RF3
Legend:
Note 1:
Shaded pins indicate pins tolerant to up to +5.5 VDC.
RPn represents remappable pins for Peripheral Pin Select (PPS) feature.
For QFN devices, the backplane on the underside of the device must also be connected to VSS.
DS39905E-page 4
2010 Microchip Technology Inc.
PIC24FJ256GA110 FAMILY
Table of Contents
1.0 Device Overview .......................................................................................................................................................................... 9
2.0 Guidelines for Getting Started with 16-Bit Microcontrollers........................................................................................................ 23
3.0 CPU ........................................................................................................................................................................................... 29
4.0 Memory Organization ................................................................................................................................................................. 35
5.0 Flash Program Memory.............................................................................................................................................................. 57
6.0 Resets ........................................................................................................................................................................................ 65
7.0 Interrupt Controller ..................................................................................................................................................................... 71
8.0 Oscillator Configuration ............................................................................................................................................................ 115
9.0 Power-Saving Features............................................................................................................................................................ 125
10.0 I/O Ports ................................................................................................................................................................................... 127
11.0 Timer1 ...................................................................................................................................................................................... 155
12.0 Timer2/3 and Timer4/5 ............................................................................................................................................................ 157
13.0 Input Capture with Dedicated Timer......................................................................................................................................... 163
14.0 Output Compare with Dedicated Timer .................................................................................................................................... 167
15.0 Serial Peripheral Interface (SPI)............................................................................................................................................... 175
16.0 Inter-Integrated Circuit (I2C™) ................................................................................................................................................. 185
17.0 Universal Asynchronous Receiver Transmitter (UART) ........................................................................................................... 193
18.0 Parallel Master Port (PMP)....................................................................................................................................................... 201
19.0 Real-Time Clock and Calendar (RTCC) .................................................................................................................................. 211
20.0 Programmable Cyclic Redundancy Check (CRC) Generator .................................................................................................. 221
21.0 10-Bit High-Speed A/D Converter ............................................................................................................................................ 225
22.0 Triple Comparator Module........................................................................................................................................................ 235
23.0 Comparator Voltage Reference................................................................................................................................................ 239
24.0 Charge Time Measurement Unit (CTMU) ................................................................................................................................ 241
25.0 Special Features ...................................................................................................................................................................... 245
26.0 Instruction Set Summary .......................................................................................................................................................... 257
27.0 Development Support............................................................................................................................................................... 265
28.0 Electrical Characteristics .......................................................................................................................................................... 269
29.0 Packaging Information.............................................................................................................................................................. 305
Appendix A: Revision History............................................................................................................................................................. 319
Index ................................................................................................................................................................................................. 321
The Microchip Web Site ..................................................................................................................................................................... 327
Customer Change Notification Service .............................................................................................................................................. 327
Customer Support .............................................................................................................................................................................. 327
Reader Response .............................................................................................................................................................................. 328
Product Identification System ............................................................................................................................................................ 329
2010 Microchip Technology Inc.
DS39905E-page 7
