參數(shù)資料
型號: M3455AG8-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PQFP52
封裝: 10 X 10 MM, 0.65 MM PITCH, PLASTIC, LQFP-52
文件頁數(shù): 13/150頁
文件大?。?/td> 1818K
代理商: M3455AG8-XXXFP
Rev.1.02
Nov 26, 2008
Page 9 of 146
REJ03B0224-0102
455A Group
PORT BLOCK DIAGRAM
Fig 3.
Port block diagram (1)
Register Y
Decoder
Skip decision
SZD instruction
SD instruction
RD instruction
CLD
instruction
FR20
D4 (Note2)
S
R
Q
Register Y
Decoder
Skip decision
SZD instruction
SD instruction
RD instruction
CLD
instruction
FR1i
(Note3)
(Note1)
D0 to D3 (Note2)
S
R
Q
(Note1)
D5/INT (Note2)
External 0 interrupt
External 0 interrupt circuit
Key-on wakeup input
Timer 1 count start
synchronous circuit input
(Note5)
Register Y
Decoder
Skip decision
SZD instruction
SD instruction
RD instruction
CLD
instruction
FR21
S
R
Q
Edge detection
circuit
Key-on wakeup
input
K3j
PU3j
(Note4)
Pull-up
transistor
PU32
Pull-up
transistor
Key-on wakeup
input
K32
PU32
Pull-up
transistor
Key-on wakeup
input
K32
(Note4)
(Note1)
Edge detection
circuit
Edge detection
circuit
Notes 1.
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. j represents bits 0 to 1.
5. As for details, refer to the external interrupt structure.
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