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参数资料
| 型号： | S-7750C32XX-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： | 19/44页 |
| 文件大小： | 563K |
| 代理商： | S-7750C32XX-HCT1 |
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PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT)
S-7750C
Rev.2.0_00
Seiko Instruments Inc.
26
3. Acknowledgment check
The I
2C-bus protocol includes an acknowledgment check function as a handshake function to prevent a
communication error. This function allows detection of a communication failure during data communication between
the master device and the S-7750C.
4. Power-on-clear circuit
The S-7750C has a power-on-clear circuit that initializes itself at the same time during power-on. Unsuccessful
initialization may cause a malfunction. To operate the power-on-clear circuit normally, the following conditions must be
satisfied to raise the power supply voltage.
4. 1 Raising power supply voltage
As shown in Figure 32, raise the power supply voltage from 0.2 V max., within the time defined as tRISE which is the
time required to reach the power supply voltage to be set.
For example, if the power supply voltage is 3.0 V, tRISE = 100 ms as seen in Figure 33. The power supply voltage must
be raised within 100 ms.
0.2 V
VINIT (Max.)
tINIT
*2 (Max.)
tRISE (Max.)
Power supply voltage (VCCH)
0 V
*1
*1.
0 V means there is no difference in potential between the VCCH pin and the VSS
pin of the S-7750C.
*2.
tINIT is the time required to initialize the S-7750C. No instructions are accepted
during this time.
Figure 32 Raising Power Supply Voltage
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相关代理商/技术参数 |
参数描述 |
|---|---|
| S-7750C33XX-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-7750C40XX-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-7750C41XX-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-7750C42XX-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-7750C43XX-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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