參數(shù)資料
型號: HT9480
廠商: Holtek Semiconductor Inc.
英文描述: Pager Controller
中文描述: 傳呼機控制器
文件頁數(shù): 27/57頁
文件大?。?/td> 1541K
代理商: HT9480
Numeric message data transfer
Message data transfer
The decoder outputs a deformatted address
word and message words upon receipt of a valid
call. The message data to be transferred is or-
ganized into 8-bit words and transferred
through the parallel pager data address (1FH)
byte by byte. When a call word starts, the de-
coder generates a data ready interrupt simulta-
neously and runs the processing subroutine.
The subroutine should read out the word in the
pager data address (1FH) before the next call
word comes in, i.e., the word should be read in
4mS at 512/1200 bit data rate and in 2mS at a
2400 bit data rate. Otherwise, the data in 1FH
is overridden by the next word.
HT9480
27
23th Feb ’98
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