PD17230_15 datasheet(10/94 Pages) RENESAS

Part #	PD17230

Description	4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER

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Manufacturer	RENESAS [Renesas Technology Corp]

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10 / 94 page

Data Sheet U14360EJ1V0DS00

µPD17230, 17231, 17232, 17233, 17234, 17235, 17236

8

1.

PIN FUNCTIONS

1.1

Pin Function List (1/2)

Pin No.

Symbol

Function

Output Form

On Reset

27 (28)

P0D0

These pins constitute a 4-bit I/O port which can be set in the input

N-ch

Low-level

28 (29)

P0D1

or output mode in 4-bit units (group I/O).

open-drain

output

1 (1)

P0D2

In the input mode, these pins serve as CMOS input pins with a

2 (2)

P0D3

pull-up resistor, and can be used as key return input lines of a key

matrix. The standby status must be released when at least one of

the input lines goes low. In the output mode, these pins are used

as N-ch open-drain output pins and can be used as the output

lines of a key matrix.

3 (3)

INT

External interrupt request signal. This signal releases the standby

–

Input

status if an external interrupt request signal is input to it when the

INT pin interrupt enable flag (IP) is set.

4 (4)

P0E0

These pins constitute a 4-bit I/O port that can be set in the input or

CMOS

Input

5 (5)

P0E1

output mode in 1-bit units.

push-pull

6 (6)

P0E2

In the output mode, this port functions as a high current CMOS

7 (7)

P0E3

output port. In the input mode, function as CMOS input and can be

specified to connect pull-up resistor by program.

8 (8)

REM

Outputs transfer signal for infrared remote controller.

CMOS

Low-level

Active-high output.

push-pull

output

9 (9)

VDD

Power supply

–

10 (10)

XOUT

Connects ceramic resonator for system clock oscillation

–

(Oscillation

11 (11)

XIN

stops)

12 (12)

GND

Ground

–

13 (13)

RESET

Turns ON pull down resistor if POC or watchdog timer overflows

–

Input

and if the stack pointer overflows or underflows, and resets the

system. Usually, the pull-down resistor is ON.

14 (14)

P1A0

This can be set in the input or output mode by mask option.

–

Input

In the input mode, it serves as a CMOS input pin. However, it

(Input)

cannot release the STOP mode.

In the output mode, this pin functions as an N-ch open-drain output

N-ch

High-

pin and can be used as an output line for a key matrix.

open-drain

impedance

(Output)

output

15 (16)

P0A0

These pins are CMOS input pins with a 4-bit pull-up resistor.

–

Input

16 (17)

P0A1

They can be used as the key return input lines of a key matrix.

17 (18)

P0A2

If any one of these pins goes low, the standby status is released.

18 (19)

P0A3

19 (20)

P0B0

These pins constitute a 4-bit I/O port that can be set in the input or

N-ch

Input

20 (21)

P0B1

output mode in 1-bit units.

open-drain

21 (22)

P0B2

In the input mode, these pins are CMOS input pins with a pull-up

22 (23)

P0B3

resistor, and can be used as the key return input lines of a key

matrix. The standby status is released when at least one of these

pins goes low.

In the output mode, they serve as N-ch open-drain output pins and

can be used as the output lines of a key matrix.

Remark

The number in parenthesis in the Pin No. column indicates the pin numbers of the 30-pin plastic SSOP.

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PD17230 Datasheet(PDF) 10 Page - Renesas Technology Corp

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