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| 型号： | S-7760A40XX-TCT1U |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PDSO16 |
| 封装： | HALOGEN FREE AND LEAD FREE, TSSOP-16 |
| 文件页数： | 4/54页 |
| 文件大小： | 673K |
| 代理商： | S-7760A40XX-TCT1U |
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PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E
2PROM CIRCUIT)
S-7760A
Rev.2.0_00
Seiko Instruments Inc.
12
Configuration of Command
Table 12
List of Command
Data
Command
C3
C2
C1
C0
W
/
R
B7
B6
B5
B4
B3
B2
B1
B0
Reload
0
W
/
R
*1
－
Switching access to register/E
2PROM
0
1
－
*2
－
Timer enable register
0
1
0
W
－
TEN3
TEN2 TEN1
TEN0
Do not use (Do not access)
0
1
－
Do not use (Do not access)
0
1
0
－
Control port
0
1
0
1
W
/
R
*3
CTR7 CTR6 CTR5 CTR4 CTR3 CTR2 CTR1 CTR0
Setting for timer scale
0
1
0
W
/
R
*3
TS7
TS6
TS5
TS4
TS3
TS2
TS1
TS0
Do not use (Do not access)
0
1
－
Timer setting for DO0
1
0
W
/
R
*3
8×T
7×T
6×T
5×T
4×T
3×T
2×T
1×T
Timer setting for DO1
1
0
1
W
/
R
*3
8×T
7×T
6×T
5×T
4×T
3×T
2×T
1×T
Timer setting for DO2
1
0
1
0
W
/
R
*3
8×T
7×T
6×T
5×T
4×T
3×T
2×T
1×T
Timer setting for DO3
1
0
1
W
/
R
*3
8×T
7×T
6×T
5×T
4×T
3×T
2×T
1×T
Do not use (Do not access)
1
0
－
Do not use (Do not access)
1
0
1
－
Do not use (Do not access)
1
0
－
Do not use (Do not access)
1
－
*1.
W
/
R
= 1/0 Both execute “reload”.
*2.
It is register access mode when
W
/
R
= 0, E
2PROM access mode when
W
/
R
= 1.
*3.
By Switching access to register/E
2PROM, users can select either register or E2PROM when Read/Write. Refer to “
Register and E
2PROM”.
Register and E
2PROM
This IC has an E
2PROM. Data in the E2PROM is maintained despite power-off. The S-7760A has a register which
corresponds to the data in the E
2PROM, the S-7760A sends data to this corresponding register during power-on
(releasing detection of the low voltage) and inputting the reload command. In case of selecting the RESX pin by option,
the S-7760A reloads after releasing reset. The following registers are the ones to be reloaded;
·Control port register (1-byte)
·Timer scale setting register (1-byte)
·DO3 to 0 Timer setting register (1-byte in each port, total 4 bytes)
Users are able to switch access between corresponding register and E
2PROM by “Switching access to register/E2PROM”
command. Immediately after power-on, the S-7760A is in “register access mode”. In this register access mode, only the
register is rewritten, the E
2PROM maintains the prior data. But in “E2PROM access mode”, both data in the register and
the E
2PROM is rewritten. In data Read, access mode data which is being selected by user; is read.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| S-7760A41XX-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-7760A41XX-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-7760A42XX-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-7760A42XX-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-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) |
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