參數(shù)資料
型號(hào): UPD77015
廠商: NEC Corp.
元件分類: 數(shù)字信號(hào)處理
英文描述: 16 bits, Fixed-point Digital Signal Processor
中文描述: 16位定點(diǎn)數(shù)字信號(hào)處理器
文件頁(yè)數(shù): 12/60頁(yè)
文件大?。?/td> 424K
代理商: UPD77015
μ
PD77015, 77017, 77018
12
Serial interface
Symbol
Pin No.
I/O
Function
SCK1
50
I
Clock input for serial 1
SORQ1
53
O
Serial output 1 request
SOEN1
54
I
Serial output 1 enable
SO1
52
O (3S)
Serial data output 1
SIEN1
49
I
Serial input 1 enable
SI1
48
I
Serial data input 1
SCK2
59
I
Clock input for serial 2
SOEN2
57
I
Serial output 2 enable
SO2
58
O (3S)
Serial data output 2
SIEN2
60
I
Serial input 2 enable
SI2
61
I
Serial data input 2
SIAK1
51
O
Serial input 1 acknowledge
Remark
The state of the pins added 3S becomes high impedance, when data output have been finished or RESET is input.
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