PIC18F45J10 Datasheet, PDF (12/358 Pages) Microchip Technology – 28/40/44-Pin High-Performance RISC Microcontrollers with nanoWatt Technology

PIC18F45J10 FAMILY
FIGURE 1-1:
PIC18F24J10/25J10 (28-PIN) BLOCK DIAGRAM
Table Pointer<21>
Data Bus<8>
inc/dec logic
21
20
Address Latch
Program Memory
(16/32 Kbytes)
Data Latch
88
PCLATU PCLATH
PCU PCH PCL
Program Counter
31 Level Stack
STKPTR
Data Latch
Data Memory
(1 Kbyte)
Address Latch
12
Data Address<12>
4
BSR
12
FSR0
FSR1
FSR2
4
Access
Bank
12
8
Table Latch
inc/dec
logic
ROM Latch
Instruction Bus <16>
IR
Address
Decode
VDDCORE
OSC1
OSC2
T1OSI
T1OSO
MCLR
VDD, VSS
Instruction
Decode and
Control
State Machine
Control Signals
8
PRODH PRODL
Internal
Oscillator
Block
INTRC
Oscillator
Single-Supply
Programming
In-Circuit
Debugger
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Brown-out⁽²⁾
Reset
Fail-Safe
Clock Monitor
3
BITOP
8
8 x 8 Multiply
8
W
8
8
8
8
ALU<8>
8
Precision
Band Gap
Reference
PORTA
PORTB
PORTC
RA0/AN0
RA1/AN1
RA2/AN2/VREF-/CVREF
RA3/AN3/VREF+
RA5/AN4/SS1/C2OUT
RB0/INT0/FLT0/AN12
RB1/INT1/AN10
RB2/INT2/AN8
RB3/AN9/CCP2⁽¹⁾
RB4/KBI0/AN11
RB5/KBI1/T0CKI/C1OUT
RB6/KBI2/PGC
RB7/KBI3/PGD
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2⁽¹⁾
RC2/CCP1
RC3/SCK1/SCL1
RC4/SDI1/SDA1
RC5/SDO1
RC6/TX/CK
RC7/RX/DT
BOR⁽²⁾
Timer0
Timer1
Timer2
ADC
10-bit
Comparator
CCP1
CCP2
MSSP
EUSART
Note 1: CCP2 is multiplexed with RC1 when configuration bit CCP2MX is set, or RB3 when CCP2MX is not set.
2: BOR is not available in PIC18LF2XJ10/4XJ10 devices.
DS39682C-page 10
Preliminary
© 2007 Microchip Technology Inc.