Rainbow Electronics DS3131 User Manual

Page 18

DS3131

18 of 174

PIN NAME

TYPE

FUNCTION

LA16–RD29

I/O–I

Local Bus Address Bit 16–Receive Serial Data for Port 29

LA17–RC29

I/O–I

Local Bus Address Bit 17–Receive Serial Clock for Port 29

LA18–RD28

I/O–I

Local Bus Address Bit 18–Receive Serial Data for Port 28

LA19–RC28

I/O–I

Local Bus Address Bit 19–Receive Serial Clock for Port 28

A18

LD0–TC28

I/O–I

Local Bus Data Bit 0–Transmit Serial Clock for Port 28

A17

LD1–TD28

I/O–O

Local Bus Data Bit 1–Transmit Serial Data for Port 28

C16

LD2–TC29

I/O–I

Local bus Data Bit 2–Transmit Serial Clock for Port 29

B16

LD3–TD29

I/O–O

Local Bus Data Bit 3–Transmit Serial Data for Port 29

A16

LD4–TC30

I/O–I

Local Bus Data Bit 4–Transmit Serial Clock for Port 30

C15

LD5–TD30

I/O–O

Local Bus Data Bit 5–Transmit Serial Data for Port 30

D14

LD6–TC31

I/O–I

Local Bus Data Bit 6–Transmit Serial Clock for Port 31

B15

LD7–TD31

I/O–O

Local Bus Data Bit 7–Transmit Serial Data for Port 31

A15

LD8–TC32

I/O–I

Local Bus Data Bit 8–Transmit Serial Clock for Port 32

C14

LD9–TD32

I/O–O

Local Bus Data Bit 9–Transmit Serial Data for Port 32

B14

LD10–TC33

I/O–I

Local Bus Data Bit 10–Transmit Serial Clock for Port 33

A14

LD11–TD33

I/O–O

Local Bus Data Bit 11–Transmit Serial Data for Port 33

C13

LD12–TC34

I/O–I

Local Bus Data Bit 12–Transmit Serial Clock for Port 34

B13

LD13–TD34

I/O–O

Local Bus Data Bit 13–Transmit Serial Data for Port 34

A13

LD14–TC35

I/O–I

Local Bus Data Bit 14-Transmit Serial Clock for Port 35

D12

LD15–TD35

I/O–O

Local Bus Data Bit 15–Transmit Serial Data for Port 35

LMS–RD39

I–I

Local Bus Mode Select–Receive Serial Data for Port 39

B11

LBHE–TD37

O–O

Local Bus Byte High Enable–Transmit Serial Data for Port 37

B10

LHOLD–TD39

O–O

Local Bus Hold (Local Bus Request)–Transmit Serial Data for Port 39

A9 LWR–RC39

I/O–I

Local Bus Write Enable (Local Bus Read/Write Select)–Receive Serial
Clock for Port 39

C12

LIM–TC36

I–I

Local Bus Intel/Motorola Bus Select–Transmit Serial Clock for Port 36

C11 LHLDA–TC38

I–I

Local Bus Hold Acknowledge (Local Bus Grant)–Transmit Serial
Clock for Port 38

B12

LCLK–TD36

O–O

Local Bus Clock–Transmit Serial Data for Port 36

A11

LBGACK–TD38

O–O

Local Buses Grant Acknowledge–Transmit Serial Data for Port 38

A8 LRD–RD38

I/O–I

Local Bus Read Enable (Local Bus Data Strobe)–Receive Serial Data
for Port 38

A12

LINT–TC37

I/O–I

Local Bus Interrupt–Transmit Serial Clock for Port 37

A10

LRDY–TC39

I–I

Local Bus PCI Bridge Ready–Transmit Serial Clock for Port 39

LBPXS

Local Bus Port Extension Select. Leave open to enable local bus.

LCS–RC38

I–I

Local Bus Chip Select–Receive Serial Data for Port 38

Y19

TEST

Test. Factory test signals; leave open-circuited.

D6, D10, D11,

D15, F4, F17,

K4, K17, L4,

L17, R4, R17,

U6, U10, U11,

U15

VDD

—

Positive Supply, 3.3V (±10%)

A1, D4, D8, D9,

D13, D17, H4,

H17, J17, M4,

N4, N17, U4,

U8, U12, U13,

U17

VSS —

Ground

J9–J12, K9–

K12, L9–L12,

M1, M9–11

VSST

—

Ground and Thermal Dissipation Ball