PIC16C770 Microchip Technology Inc., PIC16C770 Datasheet - Page 33

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

FIGURE 3-6:
2002 Microchip Technology Inc.
Data
Bus
WR
PORTA
WR
TRISA
RD PORTA
TRIS Latch
D
D
BLOCK DIAGRAM OF RA7/OSC1/CLKIN PIN
Data Latch
CK
CK
RD TRISA
Q
Q
Q
Q
INTRC
Q
EN
D
To Chip Clock Drivers
V
Vss
P
N
DD
PIC16C717/770/771
To OSC2
Schmitt Trigger
Oscillator
Input Buffer
Circuit
INTRC
EC Mode
Schmitt Trigger
V
DS41120B-page 31
DD
Input Buffer