參數(shù)資料
型號(hào): M34556M8H-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDSO42
封裝: 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-42
文件頁數(shù): 13/147頁
文件大?。?/td> 1087K
代理商: M34556M8H-XXXFP
Rev.3.02
Dec 22, 2006
page 9 of 142
REJ03B0025-0302
4556 Group
Port block diagram (2)
C/CNTR
SCP instruction
RCP instruction
S
R
W10
W11
Q
PWMOD
D
T
Q
R
W12
W41
Clock input for timer 1 event count
This symbol represents a parasitic diode on the port.
2: Applied potential to these ports must be VDD or less.
Notes 1:
(Note 1)
(Note 2)
XCIN/D6
S
RQ
Register Y
Decoder
SD instruction
RD instruction
CLD
instruction
(Note 1)
(Note 2)
(Note 1)
XCOUT/D7
S
RQ
Register Y
Decoder
SD instruction
RD instruction
CLD
instruction
(Note 1)
(Note 2)
(Note 1)
1
0
RG2
Quartz-crystal
oscillation circuit
1
0
RG2
Timer 1 underflow signal
(Note 1)
Sub-clock input
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