PIC16F819T-E Datasheet, PDF (13/176 Pages) Microchip Technology – 18/20-Pin Enhanced Flash Microcontrollers with nanoWatt Technology

PIC16F818/819
FIGURE 2-3:
PIC16F818 REGISTER FILE MAP
File
Address
Indirect addr.(*) 00h
TMR0
01h
PCL
02h
STATUS 03h
FSR
04h
PORTA
05h
PORTB 06h
07h
08h
09h
PCLATH 0Ah
INTCON 0Bh
PIR1
0Ch
PIR2
0Dh
TMR1L
0Eh
TMR1H 0Fh
T1CON
10h
TMR2
11h
T2CON
12h
SSPBUF 13h
SSPCON 14h
CCPR1L 15h
CCPR1H 16h
CCP1CON 17h
18h
19h
1Ah
1Bh
1Ch
1Dh
ADRESH ^1Eh
ADCON0 ^1Fh
20h
General
Purpose
Register
96 Bytes
File
Address
File
Address
Indirect addr.(*) _80h
OPTION_REG 81h
PCL
82h
STATUS 83h
FSR
84h
TRISA
85h
TRISB
86h
87h
88h
89h
PCLATH 8Ah
INTCON 8Bh
PIE1
8Ch
PIE2
8Dh
PCON
8Eh
OSCCON _8Fh
OSCTUNE 90h
91h
PR2
92h
SSPADD _93h
SSPSTAT 94h
95h
96h
97h
98h
99h
9Ah
9Bh
9Ch
9Dh
ADRESL
9Eh
ADCON1 9Fh
General
A0h
Purpose
Register
32 Bytes BFh
C0h
Accesses
40h-7Fh
Indirect addr.(*)
TMR0
PCL
STATUS
FSR
PORTB
PCLATH
INTCON
EEDATA
EEADR
EEDATH
EEADRH
100h
101h
102h
103h
104h
105h
106h
107h
108h
109h
10Ah
10Bh
10Ch
10Dh
10Eh
10Fh
110h
11Fh
120h
Accesses
20h-7Fh
File
Address
Indirect addr.(*)
OPTION_REG
PCL
STATUS
FSR
TRISB
PCLATH
INTCON
EECON1
EECON2
Reserved⁽¹⁾
Reserved⁽¹⁾
180h
181h
182h
183h
184h
185h
186h
187h
188h
189h
18Ah
18Bh
18Ch
18Dh
18Eh
18Fh
190h
19Fh
1A0h
Accesses
20h-7Fh
7Fh
Bank 0
FFh
Bank 1
Bank 2
17Fh
Unimplemented data memory locations, read as ‘0’.
* Not a physical register.
Note 1: These registers are reserved; maintain these registers clear.
Bank 3
1FFh
 2004 Microchip Technology Inc.
DS39598E-page 11