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| 型号： | S-7750C12XX-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： | 8/44页 |
| 文件大小： | 563K |
| 代理商： | S-7750C12XX-HCT1 |
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PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT)
S-7750C
Rev.2.0_00
Seiko Instruments Inc.
16
Condition to start timer, Port Output and Register
The timer action starts when either condition is satisfied. However, if “00h” is set in the timer setting register, timer action
does not start.
1. When power-on (the TIMEN pin is in “H”)
2. When the TIMEN pin changes from “L” to “H”
3. While the TIMEN pin is in “H”, users do Write any commands other than “00h” in the timer enable register.
4. While the TIMEN pin is in “H”, the power supply voltage exceeds the level of release voltage of the circuit for
prevention malfunction by low voltage (2.05 V typ.).
5. While the TIMEN pin is in “H”, users set the reload command.
Starting a timer action makes output from the DO7 to DO0 pins inverted after the period set by a timer has elapsed.
Figure 18
shows the timing chart of 1, 2, and 3. Set VCCH
≥ 2.5V when raising VCCH and TIMEN simultaneously.
Power supply voltage
VCCH / VCCL
Signal of low power
supply voltage
detection
2.05 V Typ.
Oscillation circuit EN
DO1 pin
(When E
2PROM
CTR1 = 0)
TIMEN pin
Time out
Start of timer action by
Write in timer enable register
Start of timer action by setting
TIMEN pin “L”
→ “H”
Start of timer action due to power-on
Time out
Delay time by timer setting for DO1
CTR1 register
(When E
2PROM
CTR1 = 0)
*1.
The value of control port register does not change even if the port output is inverted by timer action.
*2.
A period to define data is; the loading period from E
2PROM + the period to stabilize the output from DO7 to DO0 pin =
within 100
μs.
*1
Delay time by timer setting for DO1
DO0 pin
(When E
2PROM
CTR1 = 1)
Delay time by timer setting for DO0
CTR0 register
(When E
2PROM
CTR1 = 1)
Delay time by timer setting for DO0
*1
Reload starts
Data loading
Period to define data
*2
Figure 18 Example of Condition to Start Timer Action 1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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) |
| S-7750C21XX-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-7750C22XX-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-7750C23XX-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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