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BJ8P56AP/AM
1K , I/O 4
SH6610C 4 ROM: 1K X 16 RAM: 96 X 4 ■ 32 ■ 64 : ■ fOSC = 400kHz - 4...
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BJ8P56AP/AM
1K , I/O 4
SH6610C 4 ROM: 1K X 16 RAM: 96 X 4 ■ 32 ■ 64 : ■ fOSC = 400kHz - 4MHz, VDD = 2.0V - 5.5V ■ fOSC = 4MHz - 8MHz, VDD = 4.5V - 5.5V 13 I/O 1 4 () 8 / : ■ ( 0) ■ : PORTA.0 & PORTB & PORTC (/) () ■: ■: ■ RC : ■ RC : ■: 32.768kHz, 400kHz - 8MHz 400kHz - 8MHz 400kHz - 8MHz 2MHz/4MHz/6MHz 30kHz - 8MHz
(4/fOSC) : HALT STOP ■(WDT) () ■ (POR) ■ (LVR) PORTA - PORTD / , () 16 DIP/SOP
BJ8P56AP/AM
CMOS 4。SH6610C CPU, RAM, ROM, I/O , 2MHz/4MHz/6MHz RC 。BJ8P56AP/AM 。
1
V1.0
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BJ8P56AP/AM
RAM 32 X 4 Bits
System register
Watchdog Timer
Reset Circuit
RAM 64 X 4 Bits Data memory
OSC
PORTD (4-Bit)
OSCO/PORTD.0 OSCI/PORTD.1 RESET/PORTD.3
CPU ROM 1K X 16 Bits
PORTC (4-Bit)
PORTC.3~0/External interrupt
Timer
PORTB (4-Bit)
PORTB.3~0/External interrupt
VDD
Power Circuit
GND
PORTA (4-Bit)
PORTA.0/External0 interrupt PORTA.3/External1 interrupt
2
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BJ8P56AP/AM
PORTA.3 PORTD.2 RESET /PORTD.3 GND PORTB.0 - 3 PORTC.0 - 3 VDD OSCO /PORTD.0 OSCI /PORTD.1 PORTA.0 I/O I I I/O I I P I/O I I/O I I/O I/O (, ) , PORTD.3 I/O I/O , , 。 RC , / RC , PORTD.0 ,, / RC , PORTD.1 I/O 0 () (/) (/) (, )
1 2 3 4 5-8 9 - 12 13 14 15 16
P
O I/O I I/O I/O I
:I:;O:;P:;Z:
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BJ8P56AP/AM
1. CPU CPU : (PC), (ALU), (CY),, (INX, DPH, DPM DPL)。 1.1. PC 1.4. (TBR)
(TJMP) (RTNW) 。, TBR AC ROM 8 ROM。 12 : (PC11) 。TJMP ROM ((PC11 - PC8) X (28...