Epson S1F70000 User Manual

S1F70000 Series

2–41

Technical Manual

1

RV

Stabilization voltage regulation pin.
When the intermediate tap of the external volume (3-pin resistor)
connected between the V

DD

 pin and the V

REG

 pin is connected to the

RV pin, V

REG

 output voltage can be adjusted.

2

V

REG

Stabilized voltage output pin

3

TC1

Temperature gradient selection pin

4

TC2

Temperature gradient selection pin

5

P

OFF

V

REG

 output ON/OFF control pin.

When control signal from the system side is input to this pin, the power
off (V

REG

 output power off) control of S1F76640 becomes available.

6

GND

Power supply pin (minus side, system GND)

7

OSC1

Oscillation resistor connection pin.
This pin becomes the clock input pin when an external clock operates.

8

OSC2

Oscillation resistor connection pin.
This pin is released when an external clock operates.

9

V

DD

Power supply pin (plus side, system V

CC

)

10

CAP1–

Pump up capacitor minus side connection pin for 2 times step-up.
Next stage clock at series connection time.

11

CAP1+

Pump up capacitor plus side connection pin for 2 times step-up

12

CAP2–

Pump up capacitor minus side connection pin for 3 times step-up.
Output pin at 2 time step-up time (to be short-circuited to V

O

).

13

CAP2+

Pump up capacitor plus side connection pin for 3 times step-up

14

CAP3+

Pump up capacitor plus side connection pin for 4 times step-up.
Output pin at 3 times step-up time (to be short-circuited to V

O

).

15

V

O

Output pin at 3 times step-up time

16

V

RI

Stabilization circuit input pin