Microchip Technology AC244049 Data Sheet

Page of 302
© 2009 Microchip Technology Inc.
DS41341E-page 191
PIC16F72X/PIC16LF72X
             
             
TABLE 18-1:
SUMMARY OF REGISTERS ASSOCIATED WITH PROGRAM MEMORY READ
REGISTER 18-4:
PMADRH: PROGRAM MEMORY ADDRESS HIGH REGISTER
U-0
U-0
U-0
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
PMA12
PMA11
PMA10
PMA9
PMA8
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-5
Unimplemented: Read as ‘0’
bit 4-0
PMA<12:8>: Program Memory Read Address bits
REGISTER 18-5:
PMADRL: PROGRAM MEMORY ADDRESS LOW REGISTER
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
PMA7
PMA6
PMA5
PMA4
PMA3
PMA2
PMA1
PMA0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-0
PMA<7:0>: Program Memory Read Address bits
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on 
POR, BOR
Value on all 
other Resets
PMCON1
Reserved
RD
1--- ---0
1--- ---0
PMADRH
Program Memory Read Address Register High Byte
---x xxxx
---x xxxx
PMADRL
Program Memory Read Address Register Low Byte
xxxx xxxx
xxxx xxxx
PMDATH
Program Memory Read Data Register High Byte
--xx xxxx
--xx xxxx
PMDATL
Program Memory Read Data Register Low Byte
xxxx xxxx
xxxx xxxx
Legend:
x
 = unknown, u = unchanged, – = unimplemented, read as ‘0’. Shaded cells are not used by the Program Memory 
Read.