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参数资料
| 型号： | S-7760A42XX-TCT1G |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PDSO16 |
| 封装： | LEAD FREE, TSSOP-16 |
| 文件页数： | 11/53页 |
| 文件大小： | 860K |
| 代理商： | S-7760A42XX-TCT1G |
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PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT)
Rev.1.3_00
S-7760A
Seiko Instruments Inc.
19
This IC goes in the status to reset the circuits when the power supply voltage decreases less than the level of the
detection voltage of the circuit for prevention malfunction by low voltage (1.75 V Typ.). And the DO7 to 0 pins go in “L”.
After that, when the power supply voltage increases more than the level of the release voltage of the circuit for prevention
malfunction by low voltage (2.05 V Typ.), data is reloaded from the E
2PROM to the register, the values of DO7 to 0 pins go
back to its default.
Signal of low power
supply voltage
detection
2.05 V Typ.
Oscillation circuit
EN
DO3 pin
(When E
2PROM
CTR3 = 0)
Data loading
Time out
CTR3 register
(When E
2PROM
CTR3 = 0)
*1. Output from DO7 to 0 goes in “L” when the power supply voltage decreases more than the level of the detection
voltage of the circuit for prevention malfunction by low voltage.
*2. A period to define data is; the loading period from E
2PROM + the period to stabilize output from DO7 to 0 pin = within
100
s.
DO2 pin
(When E
2PROM
CTR2 = 1)
CTR2 register
(When E
2PROM
CTR2 = 1)
Delay time by timer setting with DO2
Start condition
Device code
Reload instruction
ACK
Stop condition
SDA
SCL
1.75 V Typ.
*1
Reload starts
Period to define data
*2
TIMEN pin
Timer action starts by reloading
Exceeded the release voltage of
low supply voltage detection
(2.05 V); Timer action starts
Time out
Delay time by timer setting with DO3
Power supply voltage
VCCH / VCCL
Delay time by timer setting with DO3
Reload starts
Delay time by timer setting with DO2
Reload starts
Period to define data
*2
Figure 20 Data Loading and Timer Action Example 2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| S-7760A43XX-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-7760A43XX-TCT1G | 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-7760A50XX-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-7760A50XX-TCT1G | 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-7760A51XX-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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