參數(shù)資料
型號: HD404628R
廠商: Hitachi,Ltd.
英文描述: AS Microcomputer Incorporating a DTMF Generator Circuit(微計(jì)算機(jī)帶雙音多頻發(fā)生器電路)
中文描述: 由于微機(jī)安裝有雙音多頻發(fā)電機(jī)斷路器(微計(jì)算機(jī)帶雙音多頻發(fā)生器電路)
文件頁數(shù): 42/155頁
文件大小: 549K
代理商: HD404628R
HD404629R Series
42
Notes: 1. When watch or subactive mode on HD404629R Series/HD4074629 is used and the LCD
function is off in that mode, the watch mode or subactive mode current is larger, and
consequently the following settings should be made.
Perform the following writes in the order shown before the transition to watch mode (before
execution of the STOP instruction):
Write $0 to LCR
Write $3 to LMR
Also, when returning to active mode from watch mode or subactive mode, perform the
following writes in the order shown:
Write a value appropriate to the conditions of use to LMR
Write a value appropriate to the conditions of use to LCR
A sample programming flowchart for the above procedures is shown in figure 23.
.
LMR
L.
Initialization routine
Include these
operations
.
LCR = $0
LM.
Main routine
STOP instruction
Watch mode
Or transition to
subactive mode
.
LMR
L.
Set
appropriate
values for
active mode
INT
or timer A
interrupt processing
routine
0
After the MCU enters active mode again
Set
appropriate
values for
active mode
Figure 23 Programming Flowchart (LCD Display Off in Watch or Subactive Mode)
相關(guān)PDF資料
PDF描述
HD4074629 AS Microcomputer Incorporating a DTMF Generator Circuit(微計(jì)算機(jī)帶雙音多頻發(fā)生器電路)
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