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| PIC18F47J53 Datasheet, PDF (15/586 Pages) Microchip Technology – 28/44-Pin, High-Performance USB Microcontrollers with nanoWatt XLP Technology | |||
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PIC18F47J53 FAMILY
FIGURE 1-2:
PIC18F4XJ53 (44-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
(16 Kbytes-64 Kbytes)
Data Latch
31-Level Stack
STKPTR
8
Table Latch
Instruction Bus <16>
AD<15:0>, A<19:16>
(Multiplexed with PORTD
and PORTE)
ROM Latch
IR
State Machine
Control Signals
Instruction
Decode and
Control
OSC2/CLKO
OSC1/CLKI
VUSB
Timing
Generation
8 MHz
INTOSC
INTRC
Oscillator
USB
Module
Precision
Band Gap
Reference
Voltage
Regulator
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Brown-out
Reset(2)
Data Latch
Data Memory
(3.8 Kbytes)
Address Latch
12
Data Address<12>
4
12
4
BSR
FSR0
Access
Bank
FSR1
FSR2
12
inc/dec
logic
Address
Decode
8
PRODH PRODL
3
BITOP
8
8 x 8 Multiply
8
W
8
8
8
8
ALU<8>
8
VDDCORE/VCAP VDD,VSS
MCLR
RTCC HLVD ADC Timer0 Timer1 Timer2 Timer3 Timer4 Timer5 Timer6 Timer8 Comparators
PORTA
RA0:RA7(1)
PORTB
RB0:RB7(1)
PORTC
RC0:RC7(1)
PORTD
RD0:RD7(1)
PORTE
RE0:RE2(1)
CTMU ECCP1 ECCP2 ECCP3 CCP4 CCP5 CCP6 CCP7 CCP8 CCP9 CCP10 EUSART1 EUSART2 MSSP1 MSSP2 USB
Note 1: See Table 1-3 for I/O port pin descriptions.
2: The on-chip voltage regulator is always enabled by default.
ï£ 2010 Microchip Technology Inc.
Preliminary
DS39964B-page 15
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