UPD75P3036 NEC, UPD75P3036 Datasheet - Page 10

• Manufacturer Part Number: UPD75P3036
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

10
3.2 Non-port Pins (2/2)
Notes 1. The V
S12 to S23
S24 to S31
COM0 to COM3 Output
V
BIAS
LCDCL
SYNC
AN0 to AN5
AN6
AN7
AV
AV
LC0
Pin name
REF
SS
to V
Note 2
2. These pins are provided for future system expansion. Currently, only P30 and P31 are used.
Note 2
LC2
S12 to S31: V
Output
Output BP0 to BP7
Output
Output P30/MD0
Output P31/MD1
Input
LCX
I/O
—
—
—
(X = 0, 1, 2) shown below are selected as the input source for the display outputs.
P82
P83
LC1
Alternate
function
, COM0 to COM2: V
—
—
—
—
—
—
—
Segment signal output
Segment signal output
Common signal output
Power source for LCD driver
Output for external split resistor cut
Clock output for driving external expansion driver
Clock output for synchronization of external expansion driver
Analog signal input for A/D converter
A/D converter reference voltage
A/D converter reference GND potential
LC2
, COM3: V
LC0
Function
impedance
after reset
Note 1
Note 1
Note 1
Status
Input
Input
Input
High
—
—
—
PD75P3036
I/O circuit
type
G-A
H-A
G-B
E-B
E-B
Y-B
Z-N
Z-N
—
—
Y