UPD75212ACW データシートの表示（PDF） - NEC => Renesas Technology
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UPD75212ACW Datasheet PDF : 70 Pages
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µPD75212A
3. PIN FUNCTIONS
3.1 PORT PINS
Pin Name
I/O
Dual-
Function Pin
Function
8-Bit
Input / Output
I/O After Reset Circuit Type *
P00
Input
INT4
4-bit input port (PORT0).
×
Input
B
P01
Input/output
SCK
F
P02
Input/output
SO
G
P03
Input
SI
B
P10
Input
INT0
Noise elimination function available
Input
B
P11
INT1
Noise elimination function available
P12
INT2
4-bit input port (PORT1).
P13
TI0
P20
Input/
–––
4-bit input/output port (PORT2).
P21
output
–––
×
Input
E
P22
–––
P23
BUZ
P30 to P33
Input/
output
–––
Programmable 4-bit input/output port (PORT3).
Input/output specifiable in bit-wise.
Input
E
P40 to P43
Input/
output
–––
4-bit input/output port (PORT4).
LED direct drive capability.
q
Input
E
P50 to P53 Input/
–––
4-bit input/output port (PORT5).
output
LED direct drive capability.
Input
E
P60 to P63 Input/
–––
Programmable 4-bit input/output port (PORT6).
×
Input
V
output
Input/output specifiable in bit-wise.
On-chip pull-down resistor available (mask
option). Suitable for key input.
PH0
Output
T13/S12
4-bit P-ch open-drain, high-voltage, high-current
× Low level
I
PH1
PH2
T12/S13
T11/S14
output port (PORTH).
LED direct drive capability. On-chip pull-down
resistor available (mask option).
(with an on-
chip pull-
down resistor)
or high
PH3
T10/S15
impedance.
* Schmitt-triggered inputs are circled.
9
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