參數(shù)資料
型號: HT9580
廠商: Holtek Semiconductor Inc.
英文描述: Character Pager Controller
中文描述: 字符傳呼機控制器
文件頁數(shù): 28/63頁
文件大?。?/td> 444K
代理商: HT9580
HT9580
28
April 28, 2000
Preliminary
/ 3 6 6
0 00 @ 0
/ 0 @ 0
/ 0 @ 0 )
/ 0 @ 0 + +
/ 0 @ 0 + ,
8
+ -
+ -
+ ) -
( -
( -
( -
$
$ (
$ ,
$ +
$ *
$ )
$
$
* -
/ 3 6 6
/ 0 @ 0 + (
/ 0 @ 0 +
/ 0 @ 0 + "
+ -
+ -
+ ) -
/ 0 @ 0 + .
+ * -
/ 0 @ 0 ,
+ + -
+ , -
8
$
$ (
$ ,
$ +
$ *
$ )
$
$
* -
) 00
Example 2
Example 2: if the data read from 0031H is
2EH
when a new data ready interrupt oc-
curred,thatmeansthedatalengthofthiscallis
more than 46 and the next data ready interrupt
will occur. If the next interrupt occurs and the
contents of 0031H is
85H , the result are
shown in the following figure. The programmer
should note that the information on the mes-
sage buffer must be read out before the next
continuous codeword arrives. Otherwise the
data on the message will be overwritten.
The data ready interrupt will generate when
message is terminated, synchronization code
word is received or buffer is full. The following
figure will show the typical operation.
,
9 7
33
= 7
/ 3 6 6
! + ( #%
(
)
$ 0
The timing chart of message buffer
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