Manual

DS732UM10 Copyright 2010 Cirrus Logic, Inc 9-26
Pin Assignments
CS4953xx Hardware User’s Manual
115 - GPIO4
General Purpose
Input/Output
1. PCP_D4
2. PCP_AD4
1. Parallel Control Port Data
Bus
2. Parallel Control Port
Multiplexed Address and Data
Bus
3.3V
(5V tol)
BiDir IN Y
116 9 GNDIO7 I/O ground 0V PWR
117 - GPIO3
General Purpose
Input/Output
1. PCP_D3
2. PCP_AD3
1. Parallel Control Port Data
Bus
2. Parallel Control Port
Multiplexed Address and Data
Bus
3.3V
(5V tol)
BiDir IN Y
-10GPIO3
General Purpose
Input/Output
3.3V
(5V tol)
BiDir IN Y
118 - GPIO2
General Purpose
Input/Output
1. PCP_D2
2. PCP_AD2
1. Parallel Control Port Data
Bus
2. Parallel Control Port
Multiplexed Address and Data
Bus
3.3V
(5V tol)
BiDir IN Y
-11GPIO2
General Purpose
Input/Output
1. UART_TXD 1. UART Output
3.3V
(5V tol)
BiDir IN Y
119 12 VDD7
Core power supply
voltage
1.8V PWR
120 - GPIO1
General Purpose
Input/Output
1. PCP_D1
2. PCP_AD1
1. Parallel Control Port Data
Bus
2. Parallel Control Port
Multiplexed Address and Data
Bus
3.3V
(5V tol)
BiDir IN Y
13 GPIO1
General Purpose
Input/Output
1. UART_RXD 1. UART Input
3.3V
(5V tol)
BiDir IN Y
121 - GPIO0
General Purpose
Input/Output
1. PCP_D0
2. PCP_AD0
1. Parallel Control Port Data
Bus
2. Parallel Control Port
Multiplexed Address and Data
Bus
3.3V
(5V tol)
BiDir IN Y
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