PIC17C756A MICROCHIP [Microchip Technology], PIC17C756A Datasheet - Page 76

• Manufacturer Part Number: PIC17C756A
• Description: High-Performance 8-bit CMOS EPROM Microcontrollers with 10-bit A/D
• Manufacturer: MICROCHIP [Microchip Technology]

PIC17C7XX
FIGURE 10-7:
FIGURE 10-8:
DS30289B-page 76
Note: I/O pin has protection diodes to V
Note: I/O pin has protection diodes to Vdd and Vss.
Weak
Pull-up
Weak
Pull-up
N
P
N
P
BLOCK DIAGRAM OF RB6 PORT PIN
BLOCK DIAGRAM OF RB7 PORT PIN
OE
OE
DD
and V
0
1
0
1
SS
.
D
D
EN
EN
Q
Q
Port
Data
Port
Data
Q
Q
Q
Q
CK
CK
D
D
Match Signal
from other
port pins
Match Signal
from other
port pins
Q
Q
CK
CK
2000 Microchip Technology Inc.
D
D
RBPU
RBPU
Peripheral Data In
Peripheral Data In
SPI Output Enable
SS Output Disable
SPI Output Enable
WR_PORTB (Q4)
WR_PORTB (Q4)
RD_PORTB (Q2)
RD_PORTB (Q2)
WR_DDRB (Q4)
WR_DDRB (Q4)
RD_DDRB (Q2)
RD_DDRB (Q2)
(PORTA<7>)
(PORTA<7>)
SPI Output
SPI Output
Data Bus
Data Bus
RBIF
RBIF