January 2007

PCS811/PCS812

rev 0.1

2 of 8

Notice: The information in this document is subject to change without notice.

Pin Diagram

Pin Description

Block Diagram

Pin#

PCS811

PCS812

Pin Name

Description

1

1

GND

Ground.

2

2

NC

No Connection

3

-

RESET

as long as the manual reset (MR) is low.

-

3

RESET

as long as the manual reset (MR) is low.

4

4

MR

Manual Reset Input. A logic LOW on MR asserts reset. Reset remains active as

active low input has an internal 20k

Ω pull-up resistor. The input should be left

open if not used. It can be driven by TTL or CMOS logic or shorted to ground by a

switch.

5

5

VCC

Power supply input voltage (3.0V, 3.3V, 5.0V)

1

2

3

5

4

GND

VCC

NC

RESET (RESET)

MR

PCS811

(PCS812)

RESET Generator

Bandgap

MR

20K

R1

R2

VCC

GND

RESET (RESET)