PIC12F1840 View Datasheet(PDF) - Microchip Technology
Part Name
Description
MFG CO.
'PIC12F1840' PDF : 410 Pages View PDF
PIC12(L)F1840
TABLE 3-6: SPECIAL FUNCTION REGISTER SUMMARY (CONTINUED)
Address 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
Bank 2
10Ch LATA
—
—
LATA5
LATA4
—
LATA2
LATA1
LATA0 --xx -xxx --uu -uuu
10Dh
to —
110h
Unimplemented
—
—
111h CM1CON0
C1ON
C1OUT
C1OE
C1POL
—
C1SP
C1HYS C1SYNC 0000 -100 0000 -100
112h CM1CON1
C1INTP
C1INTN
C1PCH<1:0>
—
—
—
C1NCH 0000 ---0 0000 ---0
113h —
Unimplemented
—
—
114h —
Unimplemented
—
—
115h CMOUT
—
—
—
—
—
—
—
MC1OUT ---- ---0 ---- ---0
116h BORCON
SBOREN BORFS
—
—
—
—
—
BORRDY 10-- ---q uu-- ---u
117h FVRCON
FVREN FVRRDY
TSEN
TSRNG
CDAFVR<1:0>
ADFVR<1:0>
0q00 0000 0q00 0000
118h DACCON0
DACEN DACLPS DACOE
—
DACPSS<1:0>
—
—
000- 00-- 000- 00--
119h DACCON1
—
—
—
DACR<4:0>
---0 0000 ---0 0000
11Ah SRCON0
SRLEN
SRCLK<2:0>
SRQEN SRNQEN SRPS
SRPR 0000 0000 0000 0000
11Bh SRCON1
SRSPE SRSCKE Reserved SRSC1E SRRPE SRRCKE Reserved SRRC1E 0000 0000 0000 0000
11Ch —
Unimplemented
—
—
11Dh APFCON
RXDTSEL SDOSEL
SSSEL
---
T1GSEL TXCKSEL P1BSEL CCP1SEL 000- 0000 000- 0000
11Eh —
Unimplemented
—
—
11Fh —
Unimplemented
—
—
Bank 3
18Ch ANSELA
—
—
—
ANSA4
—
ANSA2 ANSA1 ANSA0 ---1 -111 ---1 -111
18Dh
to —
190h
Unimplemented
—
—
191h
192h
EEADRL
EEADRH
EEPROM/Program Memory Address Register Low Byte
—(3) EEPROM / Program Memory Address Register High Byte
0000 0000 0000 0000
1000 0000 1000 0000
193h EEDATL
EEPROM/Program Memory Read Data Register Low Byte
xxxx xxxx uuuu uuuu
194h EEDATH
—
—
EEPROM / Program Memory Read Data Register High Byte
--xx xxxx --uu uuuu
195h EECON1
EEPGD
CFGS
LWLO
FREE
WRERR WREN
WR
RD 0000 x000 0000 q000
196h EECON2
EEPROM control register 2
0000 0000 0000 0000
197h
VREGCON(2)
—
—
—
—
—
—
VREGPM Reserved ---- --01 ---- --01
198h —
Unimplemented
—
—
199h RCREG
USART Receive Data Register
0000 0000 0000 0000
19Ah TXREG
USART Transmit Data Register
0000 0000 0000 0000
19Bh SPBRGL
Baud Rate Generator Data Register Low
0000 0000 0000 0000
19Ch SPBRGH
Baud Rate Generator Data Register High
0000 0000 0000 0000
19Dh RCSTA
SPEN
RX9
SREN
CREN
ADDEN
FERR
OERR
RX9D 0000 000x 0000 000x
19Eh TXSTA
CSRC
TX9
TXEN
SYNC
SENDB
BRGH
TRMT
TX9D 0000 0010 0000 0010
19Fh BAUDCON
ABDOVF
RCIDL
—
SCKP
BRG16
—
WUE
ABDEN 01-0 0-00 01-0 0-00
Legend:
Note 1:
2:
3:
x = unknown, u = unchanged, q = value depends on condition, - = unimplemented, r = reserved.
Shaded locations are unimplemented, read as ‘0’.
These registers can be addressed from any bank.
PIC12F1840 only.
Unimplemented, read as ‘1’.
2011-2012 Microchip Technology Inc.
DS41441C-page 23
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