PIC16C770 Microchip Technology Inc., PIC16C770 Datasheet - Page 38

• 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 3-8:
DS41120B-page 36
Spec. Func En.
SCK, SCL, CC, SDI, SDA inputs
SDA, SDO, SCK, CCP1, P1A, P1B
Data Bus
WR
WPUB
RD
PORT
WR
TRIS
RD
TRIS
WR
IOCB
WR
PORT
BLOCK DIAGRAM OF RB2/SCK/SCL, RB3/CCP1/P1A, RB4/SDI/SDA,
RB5/SDO/P1B
PORTB Reg
WPUB Reg
IOCB Reg
TRIS Reg
D
D
CK
CK
D
D
CK
CK
Q
Q
Q
Q
Q
Q
Q
Q
Set
RBIF
1
0
RBPU
From
RB<7:0> pins
Q
EN
EN
D
V
V
P
N
SS
DD
Q
Q
EN
EN
D
D
TTL
V
P
DD
weak
pull-up
2002 Microchip Technology Inc.
Q1
Q3
V
DD
Schmitt
Trigger
V
SS