參數(shù)資料
型號: HCD404669
廠商: Hitachi,Ltd.
英文描述: Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計算機)
中文描述: 低電壓如同在微機芯片的DTMF產(chǎn)生電路(帶雙音多頻電路的低電壓微計算機)
文件頁數(shù): 78/142頁
文件大小: 894K
代理商: HCD404669
HD404669 Series
78
÷
2
÷
8
÷
32
÷
128
÷
512
÷
2048
I/O control
logic
Idle control
logic
Octal counter
(OC1)
Serial 1 interrupt
request flag (IFS1)
Clock
Serial data
register 1
(SR1L, SR1U)
Serial mode register
1A (SM1A)
Serial mode register
1B (SM1B)
SO
1
SCK
1
SI
1
System
clock
PER
1/2
Data bus
Clock line
Sign
1/2
T
P
I
S
S
Figure 58 Block Diagram of Serial Interface
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