(No.22023)1-51
31
VSSIO
I/O pad ground
32, 33
MA
O
SDRAM address bus, reserved for pin compatibility with 64Mb SDRAM
34
VDD
Core power =1.8V
35
CS0
O
SDRAM primary bank chip select
36
VDDIO
I/O pad power =3.3V
37
RAS
O
SDRAM command bit
38
CAS
O
SDRAM command bit
39
WE
O
SDRAM command bit
40
VSSIO
I/O pad ground
41, 42
DQM
O
SDRAM data byte enables
43
MD
I/O SDRAM data bus
44
VDDIO
I/O pad power =3.3V
45, 46
MD
I/O SDRAM data bus
47
VSS
Core and Ring ground
48
MD
I/O SDRAM data bus
49
VSSIO
I/O pad ground
50-52
MD
I/O SDRAM data bus
53
VDDIO
I/O pad power =3.3
54, 55
MD
I/O VSDRAM data bus
56
MD
I/O SDRAM data bus
57
VSSIO
I/O pad ground
58-61
MD
I/O SDRAM data bus
62
VDDIO
I/O pad power =3.3V
63, 64
MD
I/O SDRAM data bus
65
DQM
O
SDRAM data byte enables
66
CS1
O
SDRAM extension bank chip select
67
VSSIO
I/O pad ground
68
SPDIF
O
S/PDIF digital audio output
69
VSS
Core and Ring ground
70
AIN
I
Digital audio input for digital micro
71
AOUT3
O
Serial audio output data to audio DAC for Lch and Rch for down-mixed stereo
72
AOUT2
O
Serial audio output data to audio DAC for SLch and SRch
73
AOUT1
O
Serial audio output data to audio DAC for Cch and LFEch
74
AOUT0
O
Serial audio output data to audio DAC for Lch and Rch
75
VDDIO
I/O pad power =3.3V
76
PCMCLK
O
Audio DAC PCM sampling click frequency, common clock for DACs and ADC
77
VDD
Core power =1.8V
78
ACLK
O
Audio interface serial data clock, common clock for DACs and ADC
79
LRCLK
O
L/R channel clock, common clock for DACs and ADC
80
SRST
O
Active low RESET signal for peripheral reset
81
RSTP
I
RESET input pin form system
82
VSSIO
I/O pad ground
83
RXD1
I
UART1 serial data input from external serial devise
84
SSPIN1/BAUD1
I/O SSP1 data in or 16X clock for USART function in UART1
85
VSS
Core and Ring ground
86
SSPOUT1/DTR1
I/O SSP1data out or UART1 data-terminal-ready signal
87
SSPCLK1/CTS1
I/O SSP1clock or UART1 clear-to-send signal
88
SSPCLK0/RTS1
I/O SSP0 clock or request-to-send function in UART1
89
VDD
Core power =1.8V
90
SSPIN0/BAUD0
I/O SSP0 data in or 16X clock for USART function in UART0
91
VDDIO
I/O pad power =3.3V
Pin No.
Symbol
I/O
Function
