Signal description, Overview/signal list, Verview – Rainbow Electronics DS3131 User Manual

Page 14: Ignal, Erial, Nterface, Escription, Table 4-a. memory map organization, 1 overview/signal list, Signal naming convention

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DS3131

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3. SIGNAL DESCRIPTION

3.1 Overview/Signal List

This section describes the input and output signals on the DS3131. Signal names follow a convention
that is shown in the Signal Naming Convention table below.

Table 3-A

lists all of the signals, their signal

type, description, and pin location.

Signal Naming Convention

FIRST LETTER

SIGNAL CATEGORY

SECTION

R

Receive Serial Port

3.2

T

Transmit Serial Port

3.2

L Local

Bus

3.3

J JTAG

Test

Port

3.4

P PCI

Bus

3.5

LXXX–T/RXXX: Multiplexed local bus with extended ports controlled by LBPXS.

Table 3-A. Signal Description

PIN NAME

TYPE

FUNCTION

W20

TC0

I

Transmit Serial Clock for Port 0

U19

TC1

I

Transmit Serial Clock for Port 1

T17

TC2

I

Transmit Serial Clock for Port 2

U20

TC3

I

Transmit Serial Clock for Port 3

T19

TC4

I

Transmit Serial Clock for Port 4

R18

TC5

I

Transmit Serial Clock for Port 5

R19

TC6

I

Transmit Serial Clock for Port 6

P18

TC7

I

Transmit Serial Clock for Port 7

P20

TC8

I

Transmit Serial Clock for Port 8

N19

TC9

I

Transmit Serial Clock for Port 9

M17

TC10

I

Transmit Serial Clock for Port 10

M19

TC11

I

Transmit Serial Clock for Port 11

L19

TC12

I

Transmit Serial Clock for Port 12

L20

TC13

I

Transmit Serial Clock for Port 13

K19

TC14

I

Transmit Serial Clock for Port 14

J20

TC15

I

Transmit Serial Clock for Port 15

J18

TC16

I

Transmit Serial Clock for Port 16

H19

TC17

I

Transmit Serial Clock for Port 17

G20

TC18

I

Transmit Serial Clock for Port 18

F20

TC19

I

Transmit Serial Clock for Port 19

F19

TC20

I

Transmit Serial Clock for Port 20

G17

TC21

I

Transmit Serial Clock for Port 21

E19

TC22

I

Transmit Serial Clock for Port 22

E18

TC23

I

Transmit Serial Clock for Port 23

C20

TC24

I

Transmit Serial Clock for Port 24

D18

TC25

I

Transmit Serial Clock for Port 25

B20

TC26

I

Transmit Serial Clock for Port 26

B19

TC27

I

Transmit Serial Clock for Port 27

V19

TD0

O

Transmit Serial Data for Port 0

U18 TD1

O

Transmit Serial Data for Port 1

V20

TD2

O

Transmit Serial Data for Port 2

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