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PIC16F87X Datasheet(PDF) 70 Page - Microchip Technology

Part # PIC16F87X
Description  28/40-pin 8-Bit CMOS FLASH Microcontrollers
PDF  200 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F87X Datasheet(HTML) 70 Page - Microchip Technology

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PIC16F87X
DS30292A-page 70
© 1998 Microchip Technology Inc.
9.1.7
SLEEP OPERATION
In master mode all module clocks are halted, and the
transmission/reception will remain in that state until the
device wakes from sleep. After the device returns to
normal mode, the module will continue to transmit/
receive data.
In slave mode, the SPI transmit/receive shift register
operates asynchronously to the device. This allows the
device to be placed in sleep mode, and data to be
shifted into the SPI transmit/receive shift register.
When all 8-bits have been received, the MSSP inter-
rupt flag bit will be set and if enabled will wake the
device from sleep.
9.1.8
EFFECTS OF A RESET
A reset disables the MSSP module and terminates the
current transfer.
TABLE 9-1
REGISTERS ASSOCIATED WITH SPI OPERATION
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
POR, BOR
MCLR, WDT
0Bh, 8Bh,
10Bh,18Bh
INTCON
GIE
PEIE
T0IE
INTE
RBIE
T0IF
INTF
RBIF
0000 000x
0000 000u
0Ch
PIR1
PSPIF(1)
ADIF
RCIF
TXIF
SSPIF
CCP1IF
TMR2IF
TMR1IF
0000 0000
0000 0000
8Ch
PIE1
PSPIE(1)
ADIE
RCIE
TXIE
SSPIE
CCP1IE
TMR2IE
TMR1IE
0000 0000
0000 0000
13h
SSPBUF
Synchronous Serial Port Receive Buffer/Transmit Register
xxxx xxxx
uuuu uuuu
14h
SSPCON
WCOL
SSPOV
SSPEN
CKP
SSPM3
SSPM2
SSPM1
SSPM0
0000 0000
0000 0000
94h
SSPSTAT
SMP
CKE
D/A
P
S
R/W
UA
BF
0000 0000
0000 0000
Legend:
x
= unknown, u = unchanged, - = unimplemented read as '0'. Shaded cells are not used by the SSP in SPI mode.
Note 1:
These bits are reserved on the 28-pin devices, always maintain these bits clear.



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