PIC16F627T-04I/SO View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
PIC16F627T-04I/SO Datasheet PDF : 170 Pages
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FIGURE 5-8:
RBPU
BLOCK DIAGRAM OF
RB0/INT PIN
VDD
P Weak Pull-up
VDD
Data Bus
WR PORTB
D
Q
CK Q
Data Latch
RB0/INT
VSS
WR TRISB
D
Q
CK Q
TRIS Latch
RD TRISB
RD PORTB
INT
TTL
Input
Buffer
Q
D
EENN
Schmitt
Trigger
PIC16F62X
FIGURE 5-9:
BLOCK DIAGRAM OF
RB1/RX/DT PIN
RBPU
PORT/PERIPHERAL Select(1)
VDD
Weak
P Pull-up
VDD
USART Data Output
0
Data Bus
WR PORTB
DQ
1
CK Q
Data Latch
DQ
RB1/
RX/DT
VSS
WR TRISB
Peripheral OE(2)
CK Q
TRIS Latch
RD TRISB
TTL
Input
Buffer
Q
D
EN
RD PORTB
USART Receive Input
Schmitt
Trigger
Note
1: Port/Peripheral select signal selects between port
data and peripheral output.
2: Peripheral OE (output enable) is only active if
peripheral select is active.
2003 Microchip Technology Inc.
Preliminary
DS40300C-page 35
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