Manual

DS732UM10 Copyright 2010 Cirrus Logic, Inc 9-22
Pin Assignments
CS4953xx Hardware User’s Manual
79 108 SD_CAS
SDRAM Column
Address Strobe
3.3V
(5V tol)
OUT
80 109 SD_RAS
SDRAM Row Address
Strobe
3.3V
(5V tol)
OUT
81 110 SD_CS
SDRAM Chip Select
3.3V
(5V tol)
OUT
82 111 EXT_A15 Flash Address Bit 15
3.3V
(5V tol)
OUT
83 112 VDD5
Core power supply
voltage
1.8V PWR
84 113 EXT_A16 Flash Address Bit 16
3.3V
(5V tol)
OUT
85 114 EXT_A17 Flash Address Bit 17
3.3V
(5V tol)
OUT
86 115 GNDD5 Core ground 0V PWR
87 116 EXT_A18 Flash Address Bit 18
3.3V
(5V tol)
OUT
88 117 EXT_A19 Flash Address Bit 19
3.3V
(5V tol)
OUT
89 118 EXT_OE
Flash Output Enable
3.3V
(5V tol)
OUT
90 119 EXT_CS1
Active-low Flash chip
select
3.3V
(5V tol)
OUT
91 120 VDDIO6
I/O power supply
voltage
3.3V PWR
92 - GPIO30
General Purpose
Input/Output
1. CSW_U
2. XMTB_IN
1. Channel status user data
input
2. S/PDIF Pass-thru Input
3.3V
(5V tol)
BiDir IN Y
93 121 RESET
Chip Reset
3.3V
(5V tol)
In
94 122 GNDIO6 I/O ground 0V PWR
Table 9-10. Pin Assignments (Continued)
LQFP-
144
Pin #
LQFP-
128
Pin #
Function 1
(Default)
Description of Default
Function
Secondary Functions Description of Secondary
Functions
Pwr Type
Reset
State
Pullup
at
Reset