TMP47C990E TOSHIBA [Toshiba Semiconductor], TMP47C990E Datasheet - Page 2

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TMP47C990E

Manufacturer Part Number
TMP47C990E
Description
CMOS 4-bit Microcontroller
Manufacturer
TOSHIBA [Toshiba Semiconductor]
Datasheet
TMP47C101/201
2/32
Pin Assignment (Top View)
Pin Function
HOLD (INT1)
Pin Name
R43 to R40
R53 to R50
R80 (INT2)
R81 (T2)
RESET
XOUT
VDD
VSS
XIN
Input/Output
Power Supply
I/O (Input)
I/O (Input)
Output
Input
Input
I/O
4-bit I/O port with latch.
When used as input port, the latch must be set to “1”.
Every bit data is possible to be set, cleared and tested by the bit manipulation
instruction of the L-register indirect addressing.
2-bit I/O port with latch.
When used as input port, external interrupt pin, or timer/counter
external input pin, the latch must be set to “1”.
Resonator connecting pins,
For inputting external clock, XIN is used and XOUT is opened.
Reset signal input
Hold request/release signal input
+5 V
OV (GND)
Functions
Timer/Counter 2 external input
External interrupt 2 input
External interrupt 1 input and R82 I/O
TOSHIBA CORPORATION

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