DRAM Interface
Pin Name
Pin Type
Function
Pin
MVREF
Input
Reference Voltage for DDR SDRAM Interface 104
MCLKE
Output
DRAM Memory Clock Enable
105
MCLKZ
Output
DRAM Memory clock Complementary /Input
(for differential clocks)
106
MCLK
Output
DRAM Memory Clock
107
RASZ
Output
Row Address Strobe, active low
112
CASZ
Output
Column Address Strobe, active low
115
WEZ
Output
Write Enable, active low
116
DQM[1:0]
Output
Data Mask Byte Enable
101, 133
DQS[3:0]
Output
Data Strobe
81, 100, 134, 153
BADR[1:0]
Output
Memory Bank Address
110, 111
MADR[11:0]
Output
Memory Address
130-127, 124-117
MDATA[31:0]
I/O
Memory Data
82-85, 88-99,
135-138, 141-152
Misc. Interface
Pin Name
Pin Type
Function
Pin
XIN
Crystal Oscillator Input Crystal Oscillator Input
203
XOUT
Crystal Oscillator Output Crystal Oscillator Output
202
DDCD_DA
I/O w/ 5V-tolerant
HDCP Serial Bus Data / DDC data of DVI port; 4mA driving
strength
14
DDCD_CK
Input w/ 5V-Tolerant
HDCP Serial Bus Clock / DDC Clock of DVI Port
15
BYPASS
For External Bypass Capacitor
158
VCTRL
Output
Regulator Control
62
Power Pins
Pin Name
Pin Type
Function
Pin
AVDD_DVI
3.3V Power
DVI Power
4, 10
AVDD_ADC
3.3V Power
ADC Power
17, 34
AVDD_PLL
3.3V Power
PLL Power
12
AVDD_PLL2
3.3V Power
PLL Power
109
AVDD_APLL
1.8V Power
Audio PLL Power
49
AVDD_MPLL
3.3V Power
PLL Power
204
CIRCUIT DESCRIPTIONS
