PIC16LF1902-ESS View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
PIC16LF1902-ESS
Microchip Technology
PIC16LF1902-ESS Datasheet PDF : 236 Pages
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PIC16LF1902/3
REGISTER 10-6: PMCON2: PROGRAM MEMORY CONTROL 2 REGISTER
W-0/0
bit 7
W-0/0
W-0/0
W-0/0
W-0/0
W-0/0
Program Memory Control Register 2
W-0/0
W-0/0
bit 0
Legend:
R = Readable bit
S = Bit can only be set
‘1’ = Bit is set
W = Writable bit
x = Bit is unknown
‘0’ = Bit is cleared
U = Unimplemented bit, read as ‘0’
-n/n = Value at POR and BOR/Value at all other Resets
bit 7-0
Flash memory Unlock Pattern bits
To unlock writes, a 55h must be written first, followed by an AAh, before setting the WR bit of the
PMCON1 register. The value written to this register is used to unlock the writes. There are specific
timing requirements on these writes.
TABLE 10-3: SUMMARY OF REGISTERS ASSOCIATED WITH FLASH PROGRAM MEMORY
Name
PMCON1
PMCON2
PMADRL
PMADRH
PMDATL
PMDATH
INTCON
Legend:
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
—
CFGS
LWLO
FREE
WRERR WREN
WR
RD
Program Memory Control Register 2
PMADRL<7:0>
—
PMADRH<6:0>
PMDATL<7:0>
—
—
PMDATH<5:0>
GIE
PEIE
TMR0IE
INTE
IOCIE
TMR0IF
INTF
IOCIF
— = unimplemented location, read as ‘0’. Shaded cells are not used by Flash program memory module.
Register on
Page
90
91
89
89
89
89
66
TABLE 10-4: SUMMARY OF CONFIGURATION WORD WITH FLASH PROGRAM MEMORY
Name Bits Bit -/7
Bit -/6
Bit 13/5
Bit 12/4
Bit 11/3 Bit 10/2
Bit 9/1
Bit 8/0
Register
on Page
13:8
—
—
FCMEN
IESO CLKOUTEN
BOREN<1:0>
—
CONFIG1
46
7:0
CP
MCLRE PWRTE
WDTE<1:0>
FOSC<2:0>
13:8
—
—
LVP
DEBUG ULPBOR
BORV STVREN
—
CONFIG2
48
7:0
—
—
—
—
—
—
WRT<1:0>
Legend: — = unimplemented location, read as ‘0’. Shaded cells are not used by clock sources.
2011 Microchip Technology Inc.
Preliminary
DS41455A-page 91
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