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Z80C30 데이터시트(PDF) 13 Page - Zilog, Inc.

부품명 Z80C30
상세설명  CMOS SCC Serial Communications Controller
PDF  81 Pages
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제조업체  ZILOG [Zilog, Inc.]
홈페이지  http://www.zilog.com
Logo ZILOG - Zilog, Inc.

Z80C30 데이터시트(HTML) 13 Page - Zilog, Inc.

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PS011706-0511
Pin Descriptions
CMOS SCC Serial Communications Controller
Product Specification
5
Pin Descriptions
The following links refer to descriptions of the pin functions common to the Z85C30 and
Z80C30 devices.
• CTSA, CTSB
• DCDA, DCDB
• DTR/REQA, DTR/REQB
• IEI
• IEO
• INT
• INTACK
• PCLK
• RxDA, RxDB
• RTxCA, RTxCB
• RTSA, RTSB
• SYNCA, SYNCB
• TxDA, TxDB
• TRxCA, TRxCB
• W/REQA, W/REQB
CTSA, CTSB
Clear To Send (inputs, active Low) .
If these pins are programmed for Auto Enable
functions, a Low on the inputs enables the respective transmitters. If not programmed as
Auto Enable, these pins can be used as general-purpose inputs. Both inputs are Schmitt-
trigger buffered to accommodate slow rise-time inputs. The SCC detects pulses on these
inputs and can interrupt the CPU on both logic level transitions.
DCDA, DCDB
Data Carrier Detect (inputs, active Low) .
These pins function as receiver enables if
programmed for Auto Enable. Otherwise, these pins are used as general-purpose input



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