Datasheet

PIC18F97J94 FAMILY
DS30575A-page 26  2012 Microchip Technology Inc.
ALE/SEG32/RJ0
ALE
SEG32
RJ0
77 62
O
O
I/O
DIG
Analog
ST/DIG
External memory address latch enable.
SEG32 output for LCD.
General purpose I/O pin.
OE/SEG33/RJ1
OE
SEG33
RJ1
76 61
O
O
I/O
DIG
Analog
ST/DIG
External memory output enable.
SEG33 output for LCD.
General purpose I/O pin.
WRL/SEG34/RJ2
W
RL
SEG34
RJ2
75 60
O
O
I/O
DIG
Analog
ST/DIG
External memory write low control.
SEG34 output for LCD.
General purpose I/O pin.
WRH/SEG35/RJ3
W
RH
SEG35
RJ3
74 59
O
O
I/O
DIG
Analog
ST/DIG
External memory write high control.
SEG35 output for LCD.
General purpose I/O pin.
BA0/SEG39/RJ4
BA0
SEG39
RJ4
49 39
O
O
I/O
DIG
Analog
ST/DIG
External Memory Byte Address 0 control
SEG39 output for LCD.
General purpose I/O pin.
CE/SEG38/RJ5
CE
SEG38
RJ5
50 40
O
O
I/O
DIG
Analog
ST/DIG
External memory chip enable control.
SEG38 output for LCD.
General purpose I/O pin.
LB/SEG37/RJ6
LB
SEG37
RJ6
51 41
O
O
I/O
DIG
Analog
ST/DIG
External memory low byte control.
SEG37 output for LCD.
General purpose I/O pin.
UB/SEG36/RJ7
UB
SEG36
RJ7
52 42
O
O
I/O
DIG
Analog
ST/DIG
External memory high byte control.
SEG36 output for LCD.
General purpose I/O pin.
TABLE 1-4: PIC18F97J94 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin
Type
Buffer
Type
Description
100 80 64
Legend: TTL = TTL compatible input CMOS = CMOS compatible input or output
ST = Schmitt Trigger input with CMOS levels Analog = Analog input
I = Input O = Output
P = Power OD = Open-Drain (no P diode to V
DD)
I2C = I
2
C™/SMBus