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UPD753204 Datasheet(PDF) 3 Page - NEC

Part # UPD753204
Description  4-BIT SINGLE-CHIP MICROCONTROLLERS
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD753204 Datasheet(HTML) 3 Page - NEC

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µPD753204, 753206, 753208
CONTENTS
1.
PIN CONFIGURATION (TOP VIEW) .................................................................................................... 5
2.
BLOCK DIAGRAM ................................................................................................................................ 6
3. PIN FUNCTIONS .................................................................................................................................... 7
3.1
Port Pins ...................................................................................................................................... 7
3.2
Non-Port Pins .............................................................................................................................. 9
3.3
Pin Input/Output Circuits ......................................................................................................... 11
3.4
Recommended Connections for Unused Pins ....................................................................... 13
4.
SWITCHING FUNCTION BETWEEN Mk I MODE AND Mk II MODE ................................................ 14
4.1
Difference Between Mk I and Mk II Modes .............................................................................. 14
4.2
Setting Method of Stack Bank Select Register (SBS) ........................................................... 15
5.
MEMORY CONFIGURATION ............................................................................................................. 16
6.
PERIPHERAL HARDWARE FUNCTION ........................................................................................... 21
6.1
Digital I/O Port ........................................................................................................................... 21
6.2
Clock Generator ........................................................................................................................ 22
6.3
Clock Output Circuit ................................................................................................................. 23
6.4
Basic Interval Timer/Watchdog Timer ..................................................................................... 24
6.5
Watch Timer .............................................................................................................................. 25
6.6
Timer/Event Counter ................................................................................................................. 26
6.7
Serial Interface .......................................................................................................................... 30
6.8
LCD Controller/Driver ............................................................................................................... 32
6.9
Bit Sequential Buffer ................................................................................................................ 34
7.
INTERRUPT FUNCTION AND TEST FUNCTION .............................................................................. 35
8.
STANDBY FUNCTION ........................................................................................................................ 37
9.
RESET FUNCTION ............................................................................................................................. 38
10. MASK OPTION ................................................................................................................................... 41
11. INSTRUCTION SET ............................................................................................................................ 42
12. ELECTRICAL SPECIFICATIONS ....................................................................................................... 56
13. CHARACTERISTIC CURVES (REFERENCE VALUES) ................................................................... 68
14. PACKAGE DRAWINGS ..................................................................................................................... 70
15. RECOMMENDED SOLDERING CONDITIONS ................................................................................. 71


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