參數(shù)資料
型號: XE8805AMI028LF
廠商: Semtech
文件頁數(shù): 29/156頁
文件大?。?/td> 0K
描述: IC DAS 16BIT FLASH 8K MTP 64LQFP
標準包裝: 160
系列: XE880x
應(yīng)用: 感測機
核心處理器: Coolrisc816?
程序存儲器類型: 閃存(22 kB)
控制器系列: XE8000
RAM 容量: 512 x 8
接口: UART,USRT
輸入/輸出數(shù): 24
電源電壓: 2.4 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
包裝: 托盤
供應(yīng)商設(shè)備封裝: 64-LQFP(10x10)
產(chǎn)品目錄頁面: 585 (CN2011-ZH PDF)
配用: XE8000MP-ND - PROG BOARD AND PROSTART2 CARD
Semtech 2006
www.semtech.com
18-3
XE8805/05A
18.3
Registers Map
All registers are reset with the system reset.
The contents of the registers RegDasInLsb and RegDasInMsb are transferred to the D/A converter when after
data have been written into RegDasInMsb. Therefore, in order to maintain the synchronisation between the LSB
and MSB, the LSB should always be written before the MSB.
Pos.
RegDasInLsb
rw
reset
function
7-0
DasInLsb(7:0)
rw
0
resetsystem
Data to convert LSB
Table 18-1. RegDasInLsb
Pos.
RegDasInMsb
rw
reset
function
7-0
DasInMsb(7:0)
rw
0
resetsystem
Data to convert MSB
Table 18-2. RegDasInMsb
Pos.
RegDasCfg0
rw
reset
function
7:6
NsOrder(1:0)
rw
00
resetsystem
Noise Shaper order
00 : order 0
01 : order 1
1x : order 2
5:3
CodeLmax(2:0)
rw
000
resetsystem
PWM pulse resolution :
000 : 4 bits
001 : 5 bits
010 : 6 bits
011 : 7 bits
100 : 8 bits
101 : 9 bits
110 : 10 bits
111 : 11 bits
2:1
Enable(1:0)
rw
00
resetsystem
Bit 0 : enables the D/A
Bit 1 : enables the amplifier
0
Fin
rw
0
resetsystem
Input frequency of modulator as a fraction of
oscillator frequency
0 : 1.fRC, 1 : .fRC
Table 18-3. RegDasCfg0
Pos.
RegDasCfg1
rw
reset
function
7:2
-
rw
000000
Unused
1
BW
rw
0
resetsystem
Amplifier bandwidth
0 : small bandwidth
1 : large bandwidth
0
INV
rw
0
resetsystem
Inverts the PWM output
0 : normal, active high
1 : inverted, active low
Table 18-4. RegDasCfg1
Not
Recommended
for
New
Designs
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