PIC16F88

Manufacturer Part NumberPIC16F88
ManufacturerMicrochip Technology Inc.
PIC16F88 datasheet
 
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FIGURE 5-14:
BLOCK DIAGRAM OF RB6/AN5
Analog
RBPU
Input Mode
Data Bus
WR PORTB
WR TRISB
T1OSCEN/ICD/PROG
Mode
Set RBIF
From other
RB7:RB4 pins
PGC/T1CKI
From T1OSCO Output
To A/D Module Channel Input (PIC16F88 only)
Note 1:
I/O pins have diode protection to V
2:
To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit.
3:
PIC16F88 devices only.
 2005 Microchip Technology Inc.
(3)
/PGC/T1OSO/T1CKI PIN
(2)
Data Latch
D
Q
CK
TRIS Latch
D
Q
CK
Analog
Input Mode
RD TRISB
Input Buffer
Latch
Q
RD PORTB
Q
and V
.
DD
SS
PIC16F87/88
V
DD
Weak
P
Pull-up
(1)
I/O pin
TTL
D
EN
Q1
D
RD PORTB
EN
Q3
DS30487C-page 65