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PIC16LV5X Datasheet(PDF) 8 Page - Microchip Technology

Part No. PIC16LV5X
Description  EPROM-Based 8-Bit CMOS Microcontroller Series
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Maker  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
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PIC16LV5X Datasheet(HTML) 8 Page - Microchip Technology

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Enhanced PIC16LV5X
DS40121A-page 8
Advanced Information
© 1996 Microchip Technology Inc.
FIGURE 4-4:
PIC16LV58A REGISTER FILE MAP
TABLE 4-1:
SPECIAL FUNCTION REGISTER SUMMARY
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
Power-On
Reset
Value on
MCLR and
WDT Reset
N/A
TRIS
I/O control registers (TRISA, TRISB, TRISC)
1111 1111
1111 1111
N/A
OPTION
Contains control bits to configure Timer0 and Timer0/WDT prescaler
--11 1111
--11 1111
00h
INDF
Uses contents of FSR to address data memory (not a physical register)
xxxx xxxx
uuuu uuuu
01h
TMR0
8-bit real-time clock/counter
xxxx xxxx
uuuu uuuu
02h(1)
PCL
Low order 8 bits of PC
1111 1111
1111 1111
03h
STATUS
PA2
PA1
PA0
TO
PD
ZDC
C
0001 1xxx
000q quuu
04h
FSR
Indirect data memory address pointer
1xxx xxxx
1uuu uuuu
05h
PORTA
RA3
RA2
RA1
RA0
---- xxxx
---- uuuu
06h
PORTB
RB7
RB6
RB5
RB4
RB3
RB2
RB1
RB0
xxxx xxxx
uuuu uuuu
Legend: Shaded boxes = unimplemented or unused, – = unimplemented, read as '0' (if applicable)
x
= unknown, u = unchanged, q = value depends on condition.
Note 1:
The upper byte of the Program Counter is not directly accessible. See Section 4.5 of the Enhanced PIC16C5X data sheet
(DS30236B) for an explanation of how to access these bits.
2:
File address 07h is a general purpose register on the PIC16LV54A and PIC16LV58A.
File Address
00h
01h
02h
03h
04h
05h
06h
07h
1Fh
INDF(1)
TMR0
PCL
STATUS
FSR
PORTA
PORTB
0Fh
10h
Bank 0
Bank 1
Bank 2
Bank 3
3Fh
30h
20h
2Fh
5Fh
50h
40h
4Fh
7Fh
70h
60h
6Fh
General
Purpose
Registers
General
Purpose
Registers
General
Purpose
Registers
General
Purpose
Registers
General
Purpose
Registers
Addresses map back to
addresses in Bank 0.
Note
1:
Not a physical register.
FSR<6:5>
00
01
10
11


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