PIC18F6310/6410/8310/8410
DS39635C-page 12
2010 Microchip Technology Inc.
FIGURE 1-1:
PIC18F6310/6410 (64-PIN) BLOCK DIAGRAM
Instruction
Decode and
Control
PORTA
PORTB
PORTC
RA4/T0CKI
RA5/AN4/HLVDIN
RB0/INT0
RC0/T1OSO/T13CKI
RC1/T1OSI/CCP2(1)
RC2/CCP1
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6/TX1/CK1
RC7/RX1/DT1
RA3/AN3/VREF+
RA2/AN2/VREF-
RA1/AN1
RA0/AN0
RB1/INT1
Data Latch
Data Memory
(8/16 Kbytes)
Address Latch
Data Address<12>
12
Access
BSR
FSR0
FSR1
FSR2
inc/dec
logic
Address
4
12
4
PCH
PCL
PCLATH
8
31 Level Stack
Program Counter
PRODL
PRODH
8 x 8 Multiply
8
BITOP
8
ALU<8>
Address Latch
Program Memory
8/16 Kbytes)
Data Latch
20
8
Table Pointer<21>
inc/dec logic
21
8
Data Bus<8>
Table Latch
8
IR
12
3
RB2/INT2
RB3/INT3
PCLATU
PCU
PORTD
RD7/PSP7:RD0/PSP0
OSC2/CLKO(3)/RA6
Note
1:
CCP2 is multiplexed with RC1 when Configuration bit, CCP2MX, is set or RE7 when CCP2MX is not set.
2:
RG5 is only available when MCLR functionality is disabled.
3:
OSC1/CLKI and OSC2/CLKO are only available in select oscillator modes and when these pins are not being used as digital I/O.
Refer to Section 3.0 “Oscillator Configurations” for additional information.
RB4/KBI0
RB5/KBI1
RB6/KBI2/PGC
RB7/KBI3/PGD
EUSART1
Comparators
MSSP
Timer2
Timer1
Timer3
Timer0
HLVD
CCP1
BOR
ADC
10-Bit
W
Instruction Bus <16>
STKPTR
Bank
8
State Machine
Control Signals
Decode
8
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
OSC1(3)
OSC2(3)
VDD,
Brown-out
Reset
Internal
Oscillator
Fail-Safe
Clock Monitor
Precision
Reference
Band Gap
VSS
MCLR(2)
Block
INTRC
Oscillator
8 MHz
Oscillator
Single-Supply
Programming
In-Circuit
Debugger
T1OSI
T1OSO
OSC1/CLKI(3)/RA7
PORTE
RE0/RD
RE1/WR
RE2/CS
RE3
RE4
RE5
RE6
RE7/CCP2(1)
PORTF
RF0/AN5
RF1/AN6/C2OUT
RF2/AN7/C1OUT
RF3/AN8
RF4/AN9
RF5/AN10/CVREF
RF6/AN11
RF7/SS
PORTG
RG0/CCP3
RG1/TX2/CK2
RG2/RX2/DT2
RG3
RG4
RG5(2)/MCLR/VPP
AUSART2
CCP2
ROM Latch
CCP3
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