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PD17P236 Datenblatt(PDF) 11 Page - Renesas Technology Corp

Teilenummer PD17P236
Bauteilbeschribung  4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROLLER
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Hersteller  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

PD17P236 Datenblatt(HTML) 11 Page - Renesas Technology Corp

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µPD17P236
9
Data Sheet U14776EJ1V0DS00
2.
PIN FUNCTIONS
2.1 Normal Operation Mode (1/2)
Pin No.
Symbol
Function
Output Format
At 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
µPD17P136M1,
This pin is 1-bit output port (N-ch open-drain
N-ch
High-
µPD17P136M3
output) and can be used as the output lines of
open-drain
impedance
a key matrix.
output
µPD17P136M2,
This pin is 1-bit input port (CMOS input).
Input
µPD17P136M4
However, it cannot release the STOP mode.
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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