UPD77019-013 查看數據表（PDF） - NEC => Renesas Technology

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UPD77019-013

16 bits, Fixed-point Digital Signal Processor

NEC => Renesas Technology 

µPD77019-013

• Serial interface

Symbol

SCK1

50

SORQ1

53

SOEN1

54

SO1

52

SIEN1

49

SI1

48

SCK2

59

SOEN2

57

SO2

58

SIEN2

60

SI2

61

SIAK1

51

Pin No.

I/O

Function

I

Clock input for serial 1

O

Serial output 1 request

I

Serial output 1 enable

O (3S) Serial data output 1

I

Serial input 1 enable

I

Serial data input 1

I

Clock input for serial 2

I

Serial output 2 enable

O (3S) Serial data output 2

I

Serial input 2 enable

I

Serial data input 2

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.

12

Preliminary Data Sheet

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