UPD780964 查看數據表（PDF） - NEC => Renesas Technology
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UPD780964 Datasheet PDF : 42 Pages
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µPD780016Y, 780018Y
5. PERIPHERAL HARDWARE FUNCTIONS
5.1 Ports
Input/output ports are classified into two types.
• CMOS input (P00, Port 1)
• CMOS input/output (P01 to P06, Port 2 to 6, Port 8 to 11, Port 15)
Total
:9
: 79
: 88
Table 5-1. Functions of Ports
Port Name
Port 0
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 8
Port 9
Port 10
Port 11
Port 15
Pin Name
Function
P00
Input only.
P01 to P06
Input/output port. Input/output can be specified bit-wise.
When used as an input port, on-chip pull-up resistor can be used by software.
P10 to P17
Input only.
On-chip pull-up resistor can be used by software.
P20 to P27
Input/output port. Input/output can be specified bit-wise.
When used as an input port, on-chip pull-up resistor can be used by software.
P30 to P37
Input/output port. Input/output can be specified bit-wise.
When used as an input port, on-chip pull-up resistor can be used by software.
P40 to P47
Input/output port. Input/output can be specified in 8-bit units.
When used as an input port, on-chip pull-up resistor can be used by software.
The test input flag (KRIF) is set to 1 by falling edge detection.
P50 to P57
Input/output port. Input/output can be specified bit-wise.
When used as an input port, on-chip pull-up resistor can be used by software.
LED can be driven directly.
P60 to P67
Input/output port. Input/output can be specified bit-wise.
When used as an input port, on-chip pull-up resistor can be used by software.
P80 to P87
Input/output port. Input/output can be specified bit-wise.
When used as an input port, on-chip pull-up resistor can be used by software.
P90 to P95
Input/output port. Input/output can be specified bit-wise.
When used as an input port, on-chip pull-up resistor can be used by software.
P100 to P103 Input/output port. Input/output can be specified bit-wise.
When used as an input port, on-chip pull-up resistor can be used by software.
P110 to P117 Input/output port. Input/output can be specified bit-wise.
When used as an input port, on-chip pull-up resistor can be used by software.
P150 to P156 Input/output port. Input/output can be specified bit-wise.
When used as an input port, on-chip pull-up resistor can be used by software.
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