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参数资料
| 型号： | S-7750C00XX-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： | 9/44页 |
| 文件大小： | 563K |
| 代理商： | S-7750C00XX-HCT1 |
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PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT)
Rev.2.0_00
S-7750C
Seiko Instruments Inc.
17
Figure 19
shows the timing chart of 4 and 5.
In the S-7750C, when the power supply voltage reaches the level of detection voltage of the circuit for prevention
malfunction by low voltage (1.75 V typ.), the DO7 to DO0 pins and the register go in “L”. After that, the power supply
voltage reaches the level of release voltage of the circuit for prevention malfunction by low voltage (2.05 V typ.), data is
loaded to the register from the E
2PROM so that the timer action starts. Regarding the circuit for prevention malfunction by
low voltage, refer to “ Action of Circuit for Prevention Malfunction by Low Voltage”.
When the S-7750C receives the reload command, the register is initialized so that the DO7 to DO0 pins once go in “L”.
When it receives a stop condition, data is loaded to the register from the E
2PROM so that the DO7 to DO0 pins output the
default value. At this moment, the timer action starts thus output from DO7 to DO0 pins is inverted after the period set by
timer.
Signal of low power
supply voltage
detection
2.05 V Typ.
Oscillation circuit EN
Data loading
Time out
*1.
The value of control port register does not change even if the port output is inverted by timer action.
*2.
Goes in “L” once during S-7750C recognizing the reload command to receiving a stop condition.
*3.
Goes in “L” when the power supply voltage reaches the level of the circuit for prevention malfunction by low voltage.
*4.
A period to define data is; the loading period from E
2PROM + the period to stabilize the DO7 to DO0 pin = within 100 μs.
*1
Delay time by timer setting for DO1
Delay time by timer setting for DO0
*1
Start condition
Device code
Reload instruction
ACK
Stop condition
SDA
SCL
*2
Delay time by timer setting for DO1
1.75 V Typ.
*3
Reload starts
Delay time by timer setting for DO0
Reload starts
Period to define data
*4
Period to define data
*4
TIMEN pin
Timer action starts by reloading
Exceeded the release voltage
of low supply voltage detection
(2.05 V); Timer action starts
Time out
Power supply
voltage
VCCH / VCCL
DO1 pin
(When E
2PROM
CTR1 = 0)
CTR1 register
(When E
2PROM
CTR1 = 0)
DO0 pin
(When E
2PROM
CTR1 = 1)
CTR0 register
(When E
2PROM
CTR1 = 1)
Figure 19 Example of Condition to Start Timer Action 2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| S-7750C01XX-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-7750C02XX-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-7750C03XX-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-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) |
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