- 您现在的位置：买卖IC网 > PDF目录373956 > AD8804AN (ANALOG DEVICES INC) 12 Channel, 8-Bit TrimDACs with Power Shutdown PDF资料下载
参数资料
| 型号： | AD8804AN |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | DAC |
| 英文描述： | 12 Channel, 8-Bit TrimDACs with Power Shutdown |
| 中文描述： | 12, SERIAL INPUT LOADING, 0.6 us SETTLING TIME, 8-BIT DAC, PDIP20 |
| 封装： | PLASTIC, DIP-20 |
| 文件页数： | 12/16页 |
| 文件大小： | 432K |
| 代理商： | AD8804AN |
AD8802/AD8804
REV. 0
–12–
*
* AD8802/AD8804 to M68HC11 Interface Assembly Program
*
* M68HC11 Register definitions
*
PORTC
EQU
*
DDRC
EQU
PORTD
EQU
*
DDRD
EQU
SPCR
EQU
*
SPSR
EQU
*
SPDR
EQU
*
* SDI RAM variables:
*
*
*
*
*
SDI1
EQU
SDI2
EQU
*
* Main Program
*
ORG
INIT
LDS
*
* Initialize Port C Outputs
*
LDAA
*
STAA
LDAA
STAA
*
* Initialize Port D Outputs
*
LDAA
*
STAA
LDAA
STAA
*
* Initialize SPI Interface
*
LDAA
STAA
*
* Call update subroutine
*
BSR
JMP
*
* Subroutine UPDATE
*
UPDATE
PSHX
PSHY
PSHA
*
* Enter Contents of SDI1 Data Register
$1003
Port C control register
“0,0,0,0;0,0,RS/, SHDN/”
Port C data direction
Port D data register
“0,0,/CS,CLK;SDI,0,0,0”
Port D data direction
SPI control register
“SPIE,SPE,DWOM,MSTR;CPOL,CPHA,SPR1,SPR0”
SPI status register
“SPIF,WCOL,0,MODF;0,0,0,0”
SPI data register; Read-Buffer; Write-Shifter
$1007
$1008
$1009
$1028
$1029
$102A
SDI1 is encoded from 0H to 7H
SDI2 is encoded from 00H to FFH
AD8802/AD8804 requires two 8-bit loads; upper 4 bits
of SDI1 are ignored. AD8802/AD8804 address bits in last
four LSBs of SDI1.
$00
$01
SDI packed byte 1 “0,0,0,0;A3,A2,A1,A0”
SDI packed byte 2 “DB7–DB4;DB3–DB0”
$C000
#$CFFF
Start of user’s RAM in EVB
Top of C page RAM
#$03
0,0,0,0;0,0,1,1
/RS-Hi, /SHDN-Hi
Initialize Port C Outputs
0,0,0,0;0,0,1,1
/RS and /SHDN are now enabled as outputs
PORTC
#$03
DDRC
#$20
0,0,1,0;0,0,0,0
/CS-Hi,/CLK-Lo,SDI-Lo
Initialize Port D Outputs
0,0,1,1;1,0,0,0
/CS,CLK, and SDI are now enabled as outputs
PORTD
#$38
DDRD
#$53
SPCR
SPI is Master,CPHA=0,CPOL=0,Clk rate=E/32
UPDATE
$E000
Xfer 2 8-bit words to AD8402
Restart BUFFALO
Save registers X, Y, and A
相关PDF资料 |
PDF描述 |
|---|---|
| AD8804AR | 12 Channel, 8-Bit TrimDACs with Power Shutdown |
| AD8804ARU | 12 Channel, 8-Bit TrimDACs with Power Shutdown |
| AD8802 | 12 Channel, 8-Bit TrimDACs with Power Shutdown |
| AD8802AN | 12 Channel, 8-Bit TrimDACs with Power Shutdown |
| AD8802AR | 12 Channel, 8-Bit TrimDACs with Power Shutdown |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AD8804ANZ | 功能描述:IC DAC 8BIT 12CH W/SD 20DIP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:TrimDAC® 标准包装:1 系列:- 设置时间:4.5µs 位数:12 数据接口:串行，SPI? 转换器数目:1 电压电源:单电源 功率耗散（最大）:- 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOICN 包装:剪切带 (CT) 输出数目和类型:1 电压，单极；1 电压，双极 采样率（每秒）:* 其它名称:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND |
| AD8804AR | 功能描述:IC DAC 8BIT 12CH W/SD 20-SOIC RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:TrimDAC® 标准包装:2,400 系列:- 设置时间:- 位数:18 数据接口:串行 转换器数目:3 电压电源:模拟和数字 功率耗散（最大）:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:36-TFBGA 供应商设备封装:36-TFBGA 包装:带卷 (TR) 输出数目和类型:* 采样率（每秒）:* |
| AD8804AR-REEL | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| AD8804ARU | 制造商:Analog Devices 功能描述:DAC 12-CH R-2R 8-bit 20-Pin TSSOP |
| AD8804ARU-REEL | 制造商:Analog Devices 功能描述:DAC 12-CH R-2R 8-bit 20-Pin TSSOP T/R |
发布紧急采购，3分钟左右您将得到回复。