参数资料
型号: EVAL-ADN2850SDZ
厂商: Analog Devices Inc
文件页数: 25/28页
文件大小: 0K
描述: BOARD EVAL FOR ADN2850SDZ
标准包装: 1
主要目的: 数字电位器
嵌入式:
已用 IC / 零件: ADN2850
主要属性: 2 沟道,1024 位置
次要属性: SPI 接口
已供物品:
ADN2850
Data Sheet
Rev. E | Page 6 of 28
Timing Diagrams
CPOL = 1
t12
t13
t3
t17
t9
t11
t5
t4
t2
t1
CLK
t8
B24*
B23 (MSB)
B0 (LSB)
B23 (MSB)
HIGH
OR LOW
HIGH
OR LOW
B23
B0
B0 (LSB)
RDY
CPHA = 1
t10
t7
t6
t14
t15
t16
*THE EXTRA BIT THAT IS NOT DEFINED IS NORMALLY THE LSB OF THE CHARACTER PREVIOUSLY TRANSMITTED.
THE CPOL = 1 MICROCONTROLLER COMMAND ALIGNS THE INCOMING DATA TO THE POSITIVE EDGE OF THE CLOCK.
SDO
SDI
CS
0
2
6
0
-0
0
2
Figure 2. CPHA = 1 Timing Diagram
t12
t13
t3
t17
t9
t11
t5
t4
t2
t1
CLK
CPOL = 0
t8
B23 (MSB OUT)
B0 (LSB)
SDO
B23 (MSB IN)
B23
B0
HIGH
OR LOW
HIGH
OR LOW
B0 (LSB)
SDI
RDY
CPHA = 0
t10
t7
t6
t14
t15
t16
*THE EXTRA BIT THAT IS NOT DEFINED IS NORMALLY THE MSB OF THE CHARACTER JUST RECEIVED.
THE CPOL = 0 MICROCONTROLLER COMMAND ALIGNS THE INCOMING DATA TO THE POSITIVE EDGE OF THE CLOCK.
*
CS
0
2
6
0
-0
0
3
Figure 3. CPHA = 0 Timing Diagram
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