參數(shù)資料
型號(hào): STK55C324
廠商: Electronic Theatre Controls, Inc.
英文描述: LCD Controller
中文描述: LCD控制器
文件頁數(shù): 8/24頁
文件大?。?/td> 430K
代理商: STK55C324
LCD Controller
8 /24
Issue date: 13 August, 1999
Syntek Semiconductor Co., Ltd.
STK55C324
* The time elapse = ($1011)/timer clock/2
1012 Sound generator 2 data. Write only.
* Before writing $1012, the program should select timer clock ($1010) first.
* After sound generator is enabled, it will start to count down. When it counts to zero, it will count
from the initial value again.
* Valid values are from 1 to 255. Zero is prohibited.
* The time elapse = ($1012)/timer clock/2
1013 Sound channel control register. Write only.
Bit 0 : = 0 Disable sound generator 1.
= 1 Enable sound generator 1.
1 : = 0 Set SOUND 1 to CMOS output pin.
= 1 Set SOUND 1 to sound channel 1 DAC output.
2 : = 0 Disable sound generator 2.
= 1 Enable sound generator 2.
3 : = 0 Set SOUND 2 to CMOS output pin.
= 1 Set SOUND 2 to sound channel 2 DAC output.
The default values for each bit is zero.
Please follow the item 6.4 for sound channel operation.
6. FUNCTION DESCRIPTION
6.1 The reset state of control registers:
Address
$1002
$1003
Value after reset
S
0
1
OUT
D/A
0
1
OUT
SOUND1(2)
S
Bit 1(3) of $1013
$1008($1009)
0
Bit 0(2) of $1013
Sound generator output
Bit 1 of $1008($1009)
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