CS181012-CQR Cirrus Logic Inc, CS181012-CQR Datasheet - Page 15
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CS181012-CQR
Manufacturer Part Number
CS181012-CQR
Description
Audio DSPs IC CobraNet Audio Networking Processor
Manufacturer
Cirrus Logic Inc
Datasheet
1.CS496112-CQZR.pdf
(54 pages)
Specifications of CS181012-CQR
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
4.2.7 System Signals
DS651UM23
Version 2.3
DBDA, DBCK
VCXO_CTRL
FILT2, FILT1
DAO_MCLK
ADDR[19:0]
MCLK_SEL
XTAL_OUT
DATA[15:0]
GPIO[2:0]
IOWAIT
HS[3:0]
Signal
TEST
XTO
CS1
CS2
WE
XTI
OE
Use these CS1810xx/CS4961xx signals stricktly in the manner described in CM-2
Schematics (Section 9.2 on page 44). Each signal is briefly described below.
A Delta-sigma DAC Output for Controlling the On-board VCXO
Control Signal for Selecting MCLK Sources
I2C Debugger Interface
Used for testing during manufacturing. Keep grounded for normal
operation.
Data Bus for Flash & Ethernet Controller(s)
Address Bus for Flash & Ethernet Controller(s)
Write Enable for Flash and Ethernet Controller(s)
Chip Select for Flash Memory Device
Chip Select for Ethernet Controller(s)
Output Enable
Wait State Signal from Ethernet Controller(s)
General-purpose I/O Signals
Reference Clock Input / Crystal Oscillator Input
Crystal Oscillator Output
A Buffered Version of XTI
PLL Loop Filter
MCLK Input
CS1810xx/CS4961xx Boot Mode Selection
©
Copyright 2005 Cirrus Logic, Inc.
Description
CobraNet Hardware User’s Manual
Pinout and Signal Descriptions
55, 56, 58, 59, 61, 62, 64,
67, 68, 70-72, 74, 75, 77,
29-32, 34, 35, 37, 39-43,
CS1810xx/CS4961xx
82, 84, 85, 87, 88
45, 46, 48, 49
11, 16, 17, 19
99, 100, 108
127, 128
Pin #
3, 4
125
124
123
38
90
65
89
96
1
2
9
8
15