PIC18F8723 Datasheet, PDF (23/60 Pages) Microchip Technology – 64/80-Pin, 1-Mbit,Enhanced Flash Microcontrollers with 12-Bit A/D and nanoWatt Technology

PIC18F8723 FAMILY
TABLE 1-3: PIC18F8628/8723 (80-PIN) PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number _{Pin Buffer}
TQFP
Type Type
Description
PORTB is a bidirectional I/O port. PORTB can be software
programmed for internal weak pull-ups on all inputs.
RB0/INT0/FLT0
RB0
INT0
FLT0
58
I/O TTL
Digital I/O.
I
ST
External interrupt 0.
I
ST
PWM Fault input for ECCPx.
RB1/INT1
RB1
INT1
57
I/O TTL
Digital I/O.
I
ST
External interrupt 1.
RB2/INT2
RB2
INT2
56
I/O TTL
Digital I/O.
I
ST
External interrupt 2.
RB3/INT3/ECCP2/P2A
55
RB3
INT3
ECCP2⁽¹⁾
P2A⁽¹⁾
I/O TTL
I
ST
O
—
O
—
Digital I/O.
External interrupt 3.
Enhanced Capture 2 input/Compare 2 output/
PWM2 output.
ECCP2 PWM output A.
RB4/KBI0
RB4
KBI0
54
I/O TTL
Digital I/O.
I
TTL
Interrupt-on-change pin.
RB5/KBI1/PGM
RB5
KBI1
PGM
53
I/O TTL
Digital I/O.
I
TTL
Interrupt-on-change pin.
I/O
ST
Low-Voltage ICSP™ Programming enable pin.
RB6/KBI2/PGC
RB6
KBI2
PGC
52
I/O TTL
Digital I/O.
I
TTL
Interrupt-on-change pin.
I/O
ST
In-Circuit Debugger and ICSP™ programming clock pin.
RB7/KBI3/PGD
RB7
KBI3
PGD
47
I/O TTL
Digital I/O.
I
TTL
Interrupt-on-change pin.
I/O
ST
In-Circuit Debugger and ICSP programming data pin.
Legend:
Note 1:
2:
3:
4:
5:
TTL = TTL compatible input
CMOS = CMOS compatible input or output
ST = Schmitt Trigger input with CMOS levels
Analog = Analog input
I = Input
P = Power
O
= Output
I²C™/SMB = I²C/SMBus input buffer
Alternate assignment for ECCP2 when Configuration bit, CCP2MX, is cleared (all operating modes except
Microcontroller mode).
Default assignment for ECCP2 in all operating modes (CCP2MX is set).
Alternate assignment for ECCP2 when CCP2MX is cleared (Microcontroller mode only).
Default assignment for P1B/P1C/P3B/P3C (ECCPMX is set).
Alternate assignment for P1B/P1C/P3B/P3C (ECCPMX is clear).
© 2007 Microchip Technology Inc.
Preliminary
DS39894A-page 21