PIC17C42 Microchip Technology, PIC17C42 Datasheet - Page 33

• Manufacturer Part Number: PIC17C42
• Description: High-Performance 8-Bit CMOS EPROM/ROM Microcontroller
• Manufacturer: Microchip Technology

FIGURE 6-5:
Addr Unbanked
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
12h
13h
14h
15h
16h
17h
18h
1Fh
20h
FFh
Note 1: SFR file locations 10h - 17h are banked. All
1996 Microchip Technology Inc.
TBLPTRH
TBLPTRL
CPUSTA
PCLATH
ALUSTA
Purpose
Bank 0
RCREG
INTSTA
TMR0H
PORTB
TXREG
SPBRG
General
TMR0L
PORTA
RCSTA
WREG
TXSTA
other SFRs ignore the Bank Select Register
(BSR) bits.
T0STA
INDF0
INDF1
DDRB
FSR0
FSR1
RAM
BSR
PCL
PIC17C42 REGISTER FILE
MAP
Bank 1
PORTC
PORTD
PORTE
DDRC
DDRD
DDRE
PIR
PIE
(1)
PR3H/CA1H
PR3L/CA1L
Bank 2
TMR3H
TMR3L
TMR1
TMR2
PR1
PR2
(1)
Bank 3
PW1DCH
PW2DCH
PW1DCL
PW2DCL
TCON1
TCON2
CA2H
CA2L
(1)
FIGURE 6-6:
Addr Unbanked
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
1Ah
1Fh
20h
FFh
Note 1: SFR file locations 10h - 17h are banked. All
2: General Purpose Registers (GPR) locations
TBLPTRH
TBLPTRL
PCLATH
CPUSTA
ALUSTA
Bank 0
Purpose
RCREG
PRODH
General
RAM
INTSTA
TMR0H
PORTB
TXREG
SPBRG
PRODL
other SFRs ignore the Bank Select Register
(BSR) bits.
20h - FFh and 120h - 1FFh are banked. All
other GPRs ignore the Bank Select Register
(BSR) bits.
TMR0L
PORTA
RCSTA
WREG
TXSTA
T0STA
INDF0
INDF1
DDRB
FSR0
FSR1
BSR
PCL
(2)
PIC17CR42/42A/43/R43/44
REGISTER FILE MAP
Bank 1
Purpose
General
RAM
PORTC
PORTD
PORTE
DDRC
DDRD
DDRE
PIR
PIE
(2)
PIC17C4X
(1)
PR3H/CA1H
PR3L/CA1L
Bank 2
TMR3H
TMR3L
TMR1
TMR2
DS30412C-page 33
PR1
PR2
(1)
Bank 3
PW1DCH
PW2DCH
PW1DCL
PW2DCL
TCON1
TCON2
CA2H
CA2L
(1)