參數(shù)資料
型號(hào): W83L951DG
廠商: Nuvoton Technology Corporation of America
文件頁數(shù): 97/112頁
文件大?。?/td> 0K
描述: IC EMBEDDED CNTRLR 128-LQFP
標(biāo)準(zhǔn)包裝: 90
系列: W83
核心處理器: 8051
芯體尺寸: 8-位
速度: 24MHz
連通性: 主機(jī)接口,PS/2,SMBus,UART/USART
外圍設(shè)備: PWM,WDT
輸入/輸出數(shù): 104
程序存儲(chǔ)器容量: 64KB(64K x 8)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 2K x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b; D/A 2x8b
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 128-LQFP
包裝: 托盤
W83L951DG/W83L951FG
6.12.1.2
A/D Converter Register 2 (AD2) (Default Value: ????_????)
Bit 7~0: A/D Converter Result [9:2]
A/D Converter Result bit 9 is MSB.
When A/D Conversion Complete Status Bit is high, A/D Converter Result is valid.
6.12.1.3
Pad Mode Register (PADMODE) (Default Value: 0000_0000)
Bit 7~0: Pad mode select
0: Normal Mode
1: AD Mode
6.13 D/A Converter Block
The keyboard controller has two internal D-A converters (DA2 and DA1) with 8-bit resolution. The
result of D-A conversion is output to the DA2 or DA1 pin.
Table 6-22.D/A Converter Register Define
A/D CONVERT BLOCK(4)
EXTADDR
NAME
7
6
5
4
3
2
1
0
52
DA1
D/A 1 Convert Register [7:0]
53
DA2
D/A 2 Convert Register [7:0]
Note:
Gray: Only with System Reset to initial.
6.13.1 Register Description
6.13.1.1
D-A conversion register 1(DA1) (Default Value: 0000_0000)
()
256
57
N
V
REF
GP
×
=
VREF is the reference voltage.
6.13.1.2
D-A conversion register 2(DA2) (Default Value: 0000_0000)
()
256
56
N
V
REF
GP
×
=
VREF is the reference voltage.
Publication Release Date: August 2006
- 81 -
Revision 1.0
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