UPD75206CW 查看數據表（PDF） - NEC => Renesas Technology

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UPD75206CW

4-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD75206

5. PERIPHERAL HARDWARE FUNCTIONS

5.1 PORTS

The following three types of I/O ports are provided:

• CMOS input

:8

• CMOS I/O

: 20

• P-ch open-drain, high-voltage, high-current output : 4

Total

: 32

Table 5-1 Port Function

Port name

PORT0

PORT1

PORT2

PORT4

PORT5

PORT3

PORT6

PORTH

Function

Operation, feature

Remarks:

4-bit input

4-bit I/O

4-bit output

Can always be read or tested regardless of operation mode of Multiplexed with SI, SO, SCK,

multiplexed pin.

and INT4 pins.

Can always be read or tested. P10 and P11 are provided with Multiplexed witn INT0-2 and

noise rejection function.

TI0 pins.

Can be set in input or output mode in 4-bit units. Ports 4 and 5 P23 is multiplexed witn BUZ

can be usd in pairs to input/output 8-bit data.

pin.

Ports 4 and 5 can directly drive LED.

Can be set in input or output mode in 1-bit units. Port 6 can be

connected to internal pull-down resistor by the mask option.

P-ch open-drain, high-voltage, high-current output port. Can Multiplexed with T10-T13

directly drive FIP and LED. Can be connected to internal pull- pins.

down resistor in 1-bit units by the mask option.

14

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