PIC18F87K90 Datasheet, PDF (429/566 Pages) Microchip Technology – 64/80-Pin, High-Performance Microcontrollers with LCD Driver and nanoWatt XLP Technology

PIC18F87K90 FAMILY
REGISTER 28-5: CONFIG3L: CONFIGURATION REGISTER 3 LOW (BYTE ADDRESS 300004h)
U-0
—
bit 7
U-0
U-0
U-0
U-0
U-0
—
—
—
—
—
U-0
R/P-1
—
RTCOSC
bit 0
Legend:
R = Readable bit
-n = Value at POR
P = Programmable bit
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-1
bit 0
Unimplemented: Read as ‘0’
RTCOSC: RTCC Reference Clock Select bit
1 = RTCC uses SOSC as a reference clock
0 = RTCC uses LF-INTOSC as a reference clock
REGISTER 28-6: CONFIG3H: CONFIGURATION REGISTER 3 HIGH (BYTE ADDRESS 300005h)
R/P-1
U-0
U-0
U-0
R/P-1
U-0
R/P-1
R/P-1
MCLRE
—
—
—
MSSPMSK
—
ECCPMX⁽¹⁾ CCP2MX
bit 7
bit 0
Legend:
R = Readable bit
-n = Value at POR
P = Programmable bit
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
bit 6-4
bit 3
bit 2
bit 1
bit 0
MCLRE: MCLR Pin Enable bit
1 = MCLR pin is enabled; RG5 input pin is disabled
0 = RG5 input pin is enabled; MCLR is disabled
Unimplemented: Read as ‘0’
MSSPMSK: MSSP V3 7-Bit Address Masking Mode Enable bit
1 = 7-Bit Address Masking mode is enabled
0 = 5-Bit Address Masking mode is enabled
Unimplemented: Read as ‘0’
ECCPMX: ECCP MUX bit⁽¹⁾
1 = Enhanced ECCP1 (P1B/P1C) is multiplexed onto RE6 and RE5, CCP6 onto RE6, and CCP7 onto RE5
Enhanced ECCP3 (P3B/P3C) is multiplexed onto RE4 and RE3, CCP6 onto RE4, and CCP7 onto RE3
0 = Enhanced ECCP1 (P1B/P1C) is multiplexed onto RH7 and RH6, CCP8 onto RH7, and CCP9 onto RH6
Enhanced ECCP3 (P3B/P3C) is multiplexed onto RH5 and RH4, CCP8 onto RH5, and CCP9 onto RH4
CCP2MX: ECCP2 MUX bit
1 = ECCP2 is multiplexed with RC1
0 = ECCP2 input/output is multiplexed with RE7⁽¹⁾
Note 1: This feature is only available on 80-pin devices.
 2010 Microchip Technology Inc.
Preliminary
DS39957B-page 429