S-7760A Datasheet, PDF (36/53 Pages) Seiko Instruments Inc – PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT)

PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E²PROM CIRCUIT)
S-7760A
Rev.1.3_00
4. TIMEN/RESX pin
Users can select whether to use a pin as TIMEN or RESX.
Table 17 Option List of TIMEN/RESX
No.
Opt40
Opt41
TIMEN
RESX
Function
5. CLK/BPDX pin
Users can select whether to use a pin as CLK or BPDX.
Table 18 Option List of CLK/BPDX
No.
Opt50
Opt51
CLK
BPDX
Function
6. Condition to start timer
For the lower output ports 4 channels, users can select the condition to start a timer at each port.
Table 19 Option List of Condition to Start Timer
Output
DO0
DO1
DO2
DO3
No.
Opt60
Opt61
Opt70
Opt71
Opt80
Opt81
Opt90
Opt91
Condition to start timer
(Power on and TIMEN = High) or
(TIMEN = Low to High) or
(TEN0 = 0 to 1 and TIMEN = High)
TEN0 = 0 to 1
(Power on and TIMEN = High) or
(TIMEN = Low to High) or
(TEN1 = 0 to 1 and TIMEN = High)
TEN1 = 0 to 1
(Power on and TIMEN = High) or
(TIMEN = Low_to_High) or
(TEN2 = 0 to 1 and TIMEN = High)
TEN2 = 0 to 1
(Power on and TIMEN = High) or
(TIMEN = Low to High) or
(TEN3 = 0 to 1 and TIMEN = High)
TEN3 = 0 to 1
7. High/low leveled input voltage type for pin
Users can select the input voltage types either high or low level for the SDA, SCL and TIMEN pins.
Table 20 Option List of High/low Leveled Input Voltage
No.
Opt100
Opt101
Function
CMOS input type
Low voltage input type
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Seiko Instruments Inc.