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| 型号： | S-7750C03XX-HCT1 |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PBGA16 |
| 封装： | 1.93 X 2.07 MM, 0.6 MM HEIGHT, LEAD FREE, WLP-16 |
| 文件页数： | 13/44页 |
| 文件大小： | 563K |
| 代理商： | S-7750C03XX-HCT1 |
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PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT)
S-7750C
Rev.2.0_00
Seiko Instruments Inc.
20
4. Acknowledgment
Data is transmitted sequentially in 8-bit. Changing the SDA line to “L” indicates that the devices on the system bus
have received data, thus the devices send an acknowledgment signal back during the 9th clock of cycle.
The S-7750C does not send an acknowledgment signal back during the Write operation.
1
8
9
Acknowledgment
signal output
Start
Condition
SCL
(
Input)
SDA
(Master device
’s output)
SDA
(
Output)
Figure 23 Acknowledgment Output Timing 1
The both commands, reload command and switching access to register / E
2PROM command are 1-byte, but inputting them
as the command 2-byte or more is possible by adding dummy data. However, the S-7750C executes the command at the
moment that it has loaded 9-bit. And in this case, inputting clock 2-byte or more after inputting these commands makes the
SDA pin set in high-impedance. However, in the acknowledgment timing, S-7750C sends acknowledgment signal back
regardless of the setting at
W
/
R
bit. Figure 24 shows the output timing of acknowledgment signal.
SCL
SDA
High-Impedance
Acknowledgement Signal from S-7750C
R / W
Device Code
Command
(0000 or 0001)
Start Condition
Stop Condition
High-Impedance
Figure 24 Acknowledgment Output Timing 2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| S-7750C10XX-HCT1 | 制造商:SII 制造商全称:Seiko Instruments Inc 功能描述:PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT) |
| S-7750C11XX-HCT1 | 制造商:SII 制造商全称:Seiko Instruments Inc 功能描述:PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT) |
| S-7750C12XX-HCT1 | 制造商:SII 制造商全称:Seiko Instruments Inc 功能描述:PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT) |
| S-7750C13XX-HCT1 | 制造商:SII 制造商全称:Seiko Instruments Inc 功能描述:PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT) |
| S-7750C20XX-HCT1 | 制造商:SII 制造商全称:Seiko Instruments Inc 功能描述:PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT) |
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