参数资料
型号: S5N8947
厂商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: MCU for ADSL/Cable Modem
中文描述: 单片机为ADSL / Cable Modem的
文件页数: 12/49页
文件大小: 407K
代理商: S5N8947
S5N8947 (ADSL/Cable Modem MCU)
ELECTRONICS
MagIC Team
Page : 12
SAMSUNG ELECTRONICS
nUADTR
nUADSR
1
1
I
UART Data Terminal Ready, Low Active.
UART Data Set Ready, Low Active.
O
P[7:0]
8
I/O
General I/O ports for Bi-directional Data Only.
xINTREQ[3:0]
/P[11:8]
4
I/O
External Interrupt Requests/General I/O Ports.
XDREQ[1:0]/
P[13:12]
nXDACK[1:0]/
P[15:14]
TIMER0/
P[16]
TIMER1/
P[17]
SCL
SDA
UTO_TXADR[2:0]
UTO_TXD[7:0]
UTO_TXSOC
UTO_TXENB
UTO_TXCLAV
UTO_TXADR[2:0]
UTO_RXD[7:0]
UTO_RXSOC
UTO_RXENB
UTO_RXCLAV
UTO_CLK
USB_DP
USB_DN
FILTER_U
2
I/O
External DMA Requests for GDMA/General I/O Ports.
2
I/O
External DMA Acknowledge from GDMA/General I/O
Ports.
1
I/O
TIMER0 Out/General I/O Port.
General
Purpose
In/Out
Ports
(including
xINTREQ
nXDREQ
nXDACK
TIMER0,1)
(18)
1
I/O
TIMER1 Out /General I/O Port.
1
1
3
8
1
1
1
3
8
1
1
1
1
1
1
1
I/O
I/O
O
O
O
O
I
O
I
I
O
I
O
I/O
I/O
O
I
2
C Serial Clock.
I
2
C Seral Data.
Transmit Address Bus.
Transmit Data Bus to the ATM PHY.
Start Of Cell Indicator for Transmit Data.
Transmit Data Transfer Enable, Low Active.
Cell Buffer Available for Transmit Data.
Receive Address Bus.
Receive Data Bus from the ATM PHY.
Start Of Cell Indicator for Receive Data.
Receive Data Transfer Enable, Low Active.
Cell Buffer Available for Receive Data.
Transfer/Receive interface byte clock.
USB data D+
USB data D-
USB PLL filter pin.
I
2
C
(2)
Utopia
(Level 2)
(30)
USB
(3)
Table 1 Signal Pin Descriptions for Each Group
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