參數(shù)資料
型號： UPD754244GS-XXX-GJG
元件分類： 微控制器/微處理器
英文描述： 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDSO20
封裝： 0.300 INCH, 0.65 MM PITCH, PLASTIC, SSOP-20
文件頁數(shù)： 56/90頁
文件大?。?/td> 602K
代理商： UPD754244GS-XXX-GJG
PD754144, 754244
4
Data Sheet U10040EJ2V1DS
CONTENTS
1.
PIN CONFIGURATION (TOP VIEW) .................................................................................................... 6
2.
BLOCK DIAGRAM ................................................................................................................................ 8
3.
PIN FUNCTION ..................................................................................................................................... 9
3.1
Port Pins ...................................................................................................................................... 9
3.2
Non-port Pins ............................................................................................................................ 10
3.3
Pin Input/Output Circuits ......................................................................................................... 11
3.4
Recommended Connection of Unused Pins .......................................................................... 12
4.
SWITCHING FUNCTION BETWEEN MK I MODE AND MK II MODE ............................................... 13
4.1
Difference between Mk I and Mk II Modes .............................................................................. 13
4.2
Setting Method of Stack Bank Select Register (SBS) ........................................................... 14
5.
MEMORY CONFIGURATION ............................................................................................................. 15
6.
EEPROM ............................................................................................................................................. 18
7.
PERIPHERAL HARDWARE FUNCTIONS ......................................................................................... 19
7.1
Digital Input/Output Ports ........................................................................................................ 19
7.2
Clock Generator ........................................................................................................................ 19
7.3
Basic Interval Timer/Watchdog Timer ..................................................................................... 22
7.4
Timer Counter ........................................................................................................................... 23
7.5
Programmable Threshold Port (Analog Input Port) ............................................................... 27
7.6
Bit Sequential Buffer ....... 16 Bits ............................................................................................ 28
8.
INTERRUPT FUNCTION AND TEST FUNCTION .............................................................................. 29
9.
STANDBY FUNCTION ........................................................................................................................ 31
10. RESET FUNCTION ............................................................................................................................. 32
10.1 Configuration and Operation Status of RESET Function ..................................................... 32
10.2 Watchdog Flag (WDF), Key Return Flag (KRF) ...................................................................... 36
11. MASK OPTION ................................................................................................................................... 38
12. INSTRUCTION SETS .......................................................................................................................... 39
13. ELECTRICAL SPECIFICATIONS ...................................................................................................... 48
13.1
PD754144 .................................................................................................................................48
13.2
PD754244 .................................................................................................................................56
14. CHARACTERISTICS CURVES (REFERENCE VALUES) ................................................................. 67
14.1
PD754144 .................................................................................................................................67
14.2
PD754244 .................................................................................................................................69
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