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参数资料
| 型号： | LC82161B-E |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP208 |
| 封装： | SQFP-208 |
| 文件页数： | 18/19页 |
| 文件大小： | 225K |
| 代理商： | LC82161B-E |
LC82161B-E
No.7775-8/19
Pin Functions
External Memory Interface (66 pins)
D[31:0]
I/O
Data bus
A[24:0]
O
Address bus
CS0n
O
External ROM or flash memory chip select
CS1n/PD4
O
External memory chip select
CS2n/PD5
O
External memory chip select
CS3n/PD6
O
External memory chip select
MWRLn
O
Write signal (when 16-bit bus selected: low-order byte)
MWRHn
O
Write signal (when 16-bit bus selected: high-order byte)
MRDn
O
Read signal
ROMBUSW
I
CS0n area bus width selection- 0: 32 bits, 1: 16 bits
BIGEND
I
Endian selection - 1: Big endian, 0: Little endian
SDRAM Controller (8 pins)
DRCS0n
O
Chip select
DRCS1n
O
Chip select
RASn
O
Row address strobe
CASn
O
Column address strobe
DRCLK
O
Clock
DRWE
O
Write enable
DQM[1:0]
O
Byte mask
External Interrupts (3 pins)
IRQ[3:1]/PD[3:1]
I
MAC Interface (34 pins)
M1_TXEN
O
Transmit enable
M1_TXCLK
I
Transmit clock
M1_TXD[3:0]
O
Transmit data
M1_RXCLK
I
Receive clock
M1_RXDV
I
Receive data valid
M1_RXER
I
Receive error
M1_RXD[3:0]
I
Receive data
M1_CRS
I
Carrier sense
M1_COL
I
Collision detection
M1_MDC
O
MII control clock
M1_MDIO
I/O
MII control data
M1_TXEN
O
Transmit enable
M2_TXCLK
I
Transmit clock
M2_TXD[3:0]
O
Transmit data
M2_RXCLK
I
Receive clock
M2_RXDV
I
Receive data valid
M2_RXER
I
Receive error
M2_RXD[3:0]
I
Receive data
M2_CRS
I
Carrier sense
M2_COL
I
Collision detection
M2_MDC
O
MII control clock
M2_MDIO
I/O
MII control data
Continued on next page
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