FS6370

Figure 2: Block Diagram

Table 1: Pin Descriptions

Pin

Type

Name

Description

1

P

VSS

Ground

2

DI

U

SEL_CD

Selects one of two programmed PLL C, Mux C/D and post divider C/D combinations

3

DI

U

PD/SCL

Power-down input (run-mode) or serial interface clock input (program mode)

4

P

VSS

Ground

5

AI

XIN

Crystal oscillator feedback

6

AO

XOUT

Crystal oscillator drive

7

DI

OE/SDA

Output enable input (run mode) or serial interface data input/output (program mode)

8

P

VDD

Power supply (5 V to 3.3 V)

9

DI

U

MODE

Selects either program mode (low) or run mode (high)

10

DO

CLK_D

D clock output

11

P

VSS

Ground

12

DO

CLK_C

C clock output

13

DO

CLK_B

B clock output

14

P

VDD

Power supply (5 V to 3.3 V)

15

DO

CLK_A

A clock output

16

P

VDD

Power supply (5 V to 3.3 V)

Key: AI = Analog Input; AO = Analog Output; DI = Digital Input; DI

Level Digital Input, DO = Digital Output; P = Power/Ground; # = Active Low pin

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