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AL260
©2002,2003-Copyright by AverLogic Technologies, Corp.
Version B1.0
13
Pin Name
Pin Number
I/O type
Description
PMXIN
115
I
SDRAM Read Data Input Sampling Clock
BA[1:0]
91-90
O
SDRAM Bank Address Bit 0-1
RASB
89
O
SDRAM Row Address Strobe
CASB
88
O
SDRAM Column Address Strobe
WEB
87
O
SDRAM Write Enable
CLK
85
O
SDRAM reference Clock
Host Interface
HOST_DB
[7:2],
[1:0]
59-54,
51-50
I/O
Host Bus Bit 7-0
HOST_WRB
63
I
Reference Clock
HOST_RDB
64
I
Read/Write Strobe
HOST_DENB
65
I
Data Cycle
HOST_MEMB
69
I
Memory Cycle
HOST_RDYB
70
O
Read Data Ready Output
IREQ
71
O
Interrupt Output
SDA
205
I/O
Data Bit for Serial Bus
SCL
204
I
Clock Bit for Serial Bus
I2C_EN
186
I
I2C Enable
INTB
206
O
Interrupt for Serial Protocol
PLL Interface
MXIN
15
I
Crystal Input (14.31818MHz)
MXOUT
14
O
Crystal Output
P1VDD25
2,7
DP
2.5V Pad Ring Power for PLL1
P1VSS25
3,6
DG
Pad Ring GND for PLL1
P1AVDD25
5
AP
Analog Power for PLL1
P1AVSS25
4
AG
Analog GND for PLL1
P2VDD25
8,12
DP
2.5V Pad Ring Power for PLL2
P2VSS25
9,13
DG
Pad Ring GND for PLL2
P2AVDD25
11
AP
Analog Power for PLL2
P2AVSS25
10
AG
Analog GND for PLL2
Others
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