Datasheet

PIC24HJ32GP302/304, PIC24HJ64GPX02/X04 AND PIC24HJ128GPX02/X04
DS70293G-page 10 © 2007-2012 Microchip Technology Inc.
FIGURE 1-1: PIC24HJ32GP302/304, PIC24HJ64GPX02/X04 AND PIC24HJ128GPX02/X04
BLOCK DIAGRAM
16
OSC1/CLKI
OSC2/CLKO
V
DD, VSS
Timing
Generation
MCLR
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Brown-out
Reset
Precision
Reference
Band Gap
FRC/LPRC
Oscillators
Regulator
Voltage
VCAP
IC1, 2, 7, 8
I2C1
PORTA
Note: Not all pins or features are implemented on all device pinout configurations. See “Pin Diagrams” for the specific pins and features
present on each device.
Instruction
Decode and
Control
PCH PCL
16
Program Counter
16-bit ALU
23
23
24
23
Instruction Reg
PCU
16 x 16
W Register Array
ROM Latch
16
EA MUX
16
8
Interrupt
Controller
PSV and Table
Data Access
Control Block
Stack
Control
Logic
Loop
Control
Logic
Address Latch
Program Memory
Data Latch
Literal Data
16
16
16
16
Data Latch
Address
Latch
16
X RAM
X Data Bus
17 x 17 Multiplier
Divide Support
16
Control Signals
to Various Blocks
ADC1
Timers
PORTB
Address Generator Units
1-5
CNx
UART1, 2
OC/
PWM1-4
Remappable
Pins
DMA
RAM
DMA
Controller
PORTC
SPI1, 2
ECAN1
Comparator
2 Ch.
RTCC
PMP/
EPSP