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| PIC18F2331 Datasheet, PDF (124/396 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High Performance PWM and A/D | |||
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PIC18F2331/2431/4331/4431
FIGURE 10-20: BLOCK DIAGRAM OF RC6
USART Select (1)
DT Data Out
PORT/(SSPEN * SPI Mode ) Select
SDO Data Out(2)
0
0
1
Data Bus
WR LATC
or
PORTC
1
RD LATC
D
Q
CK Q
Data Latch
WR TRISC
D
Q
CK Q
TRIS Latch
USART Select(1)
RD TRISC
VDD
P
N
VSS
Schmitt
Trigger
RC7 Pin
RD PORTC
RX/DT Data Input
Q
D
EN
Note 1: USART is in Synchronous Master Transmission mode only (SYNC = 1, TXEN = 1).
2: SDO must have its TRISC bit cleared in order to be able to drive RC7.
DS39616B-page 122
Preliminary
 2003 Microchip Technology Inc.
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