PIC18F67J11T-I Datasheet, PDF (11/466 Pages) Microchip Technology – 64/80-Pin, High-Performance, 1-Mbit Flash Microcontrollers

PIC18F87J11 FAMILY
FIGURE 1-2:
PIC18F8XJ1X (80-PIN) BLOCK DIAGRAM
Data Bus<8>
Table Pointer<21>
inc/dec logic
21 20
88
PCLATU PCLATH
PCU PCH PCL
Program Counter
Address Latch
Program Memory
(128 Kbytes)
Data Latch
31 Level Stack
STKPTR
8
Table Latch
Data Latch
Data Memory
(2.0, 3.9
Kbytes)
Address Latch
12
Data Address<12>
4
12
4
BSR
FSR0
Access
Bank
FSR1
FSR2
12
inc/dec
logic
Instruction Bus <16>
AD<15:0>, A<19:16>
(Multiplexed with PORTD,
PORTE and PORTH)
ROM Latch
IR
Address
Decode
8
State Machine
Control Signals
Instruction
Decode &
Control
OSC2/CLKO
OSC1/CLKI
Timing
Generation
8 MHz
INTOSC
INTRC
Oscillator
ENVREG
Precision
Band Gap
Reference
Voltage
Regulator
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Brown-out
Reset⁽²⁾
PRODH PRODL
3
BITOP
8
8 x 8 Multiply
8
W
8
8
8
8
ALU<8>
8
VDDCORE/VCAP VDD, VSS MCLR
A/D
10-Bit
Timer0
Timer1
Timer2
Timer3
Timer4 Comparators
PORTA
RA<7:0>⁽¹⁾
PORTB
RB<7:0>⁽¹⁾
PORTC
RC<7:0>⁽¹⁾
PORTD
RD<7:0>⁽¹⁾
PORTE
RE<7:0>⁽¹⁾
PORTF
RF<7:2>⁽¹⁾
PORTG
RG<4:0>⁽¹⁾
PORTH
RH<7:0>⁽¹⁾
PORTJ
RJ<7:0>⁽¹⁾
PMP
ECCP1
ECCP2 ECCP3
CCP4
CCP5 EUSART1 EUSART2 MSSP1 MSSP2
Note 1: See Table 1-4 for I/O port pin descriptions.
2: BOR functionality is provided when the on-board voltage regulator is enabled.
 2007-2012 Microchip Technology Inc.
DS39778E-page 11