Manual

DS732UM10 Copyright 2010 Cirrus Logic, Inc 9-19
Pin Assignments
CS4953xx Hardware User’s Manual
29 58 SD_D7 SDRAM Data Bit 7 EXT_D7 Flash Data Bit 7.
3.3V
(5V tol)
BiDir IN Y
30 59 SD_D6 SDRAM Data Bit 6 EXT_D6 Flash Data Bit 6.
3.3V
(5V tol)
BiDir IN Y
31 60 SD_D5 SDRAM Data Bit 5 EXT_D5 Flash Data Bit 5.
3.3V
(5V tol)
BiDir IN Y
32 61 SD_D4 SDRAM Data Bit 4 EXT_D4 Flash Data Bit 4.
3.3V
(5V tol)
BiDir IN Y
33 62 VDDIO2
I/O power supply
voltage
3.3V PWR
34 63 SD_D3 SDRAM Data Bit 3 EXT_D3 Flash Data Bit 3.
3.3V
(5V tol)
BiDir IN Y
35 64 SD_D2 SDRAM Data Bit 2 EXT_D2 Flash Data Bit 2.
3.3V
(5V tol)
BiDir IN Y
36 67 GNDIO2 I/O ground 0V PWR
37 65 SD_D1 SDRAM Data Bit 1 EXT_D1 Flash Data Bit 1.
3.3V
(5V tol)
BiDir IN Y
38 66 EXT_WE Flash Write Enable
3.3V
(5V tol)
OUT
39 68 SD_D0 SDRAM Data Bit 0 EXT_D0 Flash Data Bit 0
3.3V
(5V tol)
BiDir IN Y
40 69 SD_D15 SDRAM Data Bit 15 EXT_D15 Flash Data Bit 15
3.3V
(5V tol)
BiDir IN Y
41 70 SD_D14 SDRAM Data Bit 14 EXT_D14 Flash Data Bit 14
3.3V
(5V tol)
BiDir IN Y
42 71 SD_D13 SDRAM Data Bit 13 EXT_D13 Flash Data Bit 13
3.3V
(5V tol)
BiDir IN Y
43 72 SD_D12 SDRAM Data Bit 12 EXT_D12 Flash Data Bit 12
3.3V
(5V tol)
BiDir IN Y
44 73 VDDIO3
I/O power supply
voltage
3.3V 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