Pinout Information

DS588PP1 - rev 0.4 April 11, 2002

Copyright

© 2002 Cirrus Logic Inc.

www.cirrus.com

14

Pin Decriptions

Table 2: Pin Map Legend

Abbreviation or Convention

Description

I

A pin that functions as an input only.

O

A pin that functions as an output only.

I/O

A pin that operates as an input or an output.

OD

An open-drain output.

TS

A test pin.

Z

A tristate output or input/output.

(*)

Following a signal name designates an active-low signal.

Pin name in italics

An italicized function name for a multifunction pin indicates that the function is

only valid on the low-to-high transition of RST*.

Table 3: CL-CS3712 Pin Map

Type

Name

Pin(s)

I/O

Function

Host

Interface

Signals

DD15

DD14

DD13

DD12

DD11

DD10

DD9

DD8

DD7

DD6

DD5

DD4

DD3

DD2

DD1

DD0

79

77

74

71

69

67

63

60

58

62

65

68

70

72

76

78

I/O-TS

I/O-TS

I/O-TS

I/O-TS

I/O-TS

I/O-TS

I/O-TS

I/O-TS

I/O-TS

I/O-TS

I/O-TS

I/O-TS

I/O-TS

I/O-TS

I/O-TS

I/O-TS

Host Data Bus

DA2

DA1

DA0

94

89

92

I

I

I

Host Address Lines

CS1FX*

95

I

Host Chip Select 0*

CS3FX*

96

I

Host Chip Select 1*

DIOR*

82

I

Host I/O Read Strobe*

DIOW*

81

I

Host I/O Write Strobe*

HRESET*

57

I

Host Reset*

IOCS16*

88

OD

16-bit Data Transfer*

INTRQ

87

O -TS

Host Interrupt Request

IORDY

83

O -TS

I/O Channel Ready