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參數(shù)資料
| 型號(hào)： | SPL09A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 5KB LCD CONTROLLER/DRIVER |
| 中文描述： | 5KB的LCD控制器/驅(qū)動(dòng) |
| 文件頁(yè)數(shù)： | 4/7頁(yè) |
| 文件大?。?/td> | 55K |
| 代理商： | SPL09A |
Sunplus Technology Co., Ltd. 4 Rev.: 0.1 1999.11.24
SPL09A
Preliminary
TIMER/COUNTER
SPL09A contains one 16-bit timer/counter, TM0 respectively. In the timer mode, TM0 are auto-reload up-
counters. When the timer overflows from $FFFF to $0000, the carry signal will generate the INT signal if the
corresponding bit is enabled in INT ENABLE register ($0D). The timer will automatically reload the value
assigned by the program and up count continuously. If TM0 is specified as a counter, the user can reset the
counter by loading 0 into register $10 and $11 and loading 0 into the counter by writing to $12. After the counter
is activated, the counter
’
s value can also be read from above registers ($10 and $11) and the read instruction will
not affect the counter's value or reset it.
The clock source of the timer/counter are selected as the following:
TIMER/COUNTER
ADDR.
CLOCK SOURCE
16-BIT TIMER
$0010
$0011
$0012
R-oscillator Output, VDD ( 0Hz )
TM0
16-BIT COUNTER
$0010
$0011
$0012
Clock source 1: IOCD1, VDD,T16Hz,128Hz
Clock source 2: IOCD0, VDD, Crystal oscillator,
R-oscillator Output.
Note:T16Hz can be one of 4Hz,8Hz,16Hz or 32Hz by
setting $0A ( time-setting register )
MODE SELECT REGISTER
$000B
Select TM0 configuration
LCD CONTROLLER/DRIVER
SPL09A contains a total of 130 dots LCD controller and driver. Programmers can set the LCD configuration
(bias, duty, display mode) by writing to LCD control register ($18). Once the LCD configuration is initialized, the
desired pattern can be displayed by filling the LCD buffer with appropriate data. The LCD driver can also
operate during sleep by keeping 32768 oscillator running. For the power saving mode, programmer can set the
LCD display option to turn the LCD display off by writing to control register ($18). The LCD driver in SPL09A is
designed to fit most LCD's specifications. It can either be programmed as 1/2 or 1/3 bias. The duty is also
programmable as 1/2, 1/3, 1/4 or 1/5 duty.
MASK OPTIONS
32768 CRYSTAL OSCILLATOR
X
’
TAL
R-oscillator
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