PIC16C770 Microchip Technology Inc., PIC16C770 Datasheet - Page 30

• Manufacturer Part Number: PIC16C770
• Description: 18/20-pin, 8-bit Cmos Microcontrollers With 10/12-bit A/d
• Manufacturer: Microchip Technology Inc.

PIC16C717/770/771
FIGURE 3-3:
DS41120B-page 28
TMR0 clock input
BLOCK DIAGRAM OF RA4/T0CKI
WR
Port
Data
Bus
WR
TRIS
RD
TRIS
RD
PORT
D
D
TRIS Latch
Data Latch
CK
CK
Q
Q
Q
Q
Q
EN
D
V
N
SS
Schmitt Trigger
Input Buffer
2002 Microchip Technology Inc.
V
SS