參數(shù)資料
型號: M34552M8H-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP48
封裝: 7 X 10 MM, 0.65 MM PITCH, PLASTIC, QFP-48
文件頁數(shù): 122/143頁
文件大小: 0K
代理商: M34552M8H-XXXFP
Rev.3.02
Dec 22, 2006
page 8 of 142
REJ03B0023-0302
4552 Group
PORT BLOCK DIAGRAMS
Port block diagram (1)
D0—D3
S
RQ
FR1i
This symbol represents a parasitic diode on the port.
2: Applied potential to these ports must be VDD or less.
3: i represents bits 0 to 3.
4: As for details, refer to the external interrupt structure.
Notes 1:
Register Y
Decoder
SD instruction
RD instruction
Skip decision
CLD
instruction
(Note 1)
(Note 2)
(Note 1)
(Note 3)
SZD instruction
D4
S
RQ
FR20
Register Y
Decoder
SD instruction
RD instruction
Skip decision
CLD
instruction
(Note 1)
(Note 2)
(Note 1)
SZD instruction
D5/INT
S
RQ
FR21
Register Y
Decoder
SD instruction
RD instruction
Skip decision
CLD
instruction
(Note 1)
(Note 2)
(Note 1)
SZD instruction
External 0 interrupt circuit
(Note 4)
External 0 interrupt
Key-on wakeup input
Timer 1 count start synchronous circuit input
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