參數(shù)資料
型號(hào): DM9000A
廠商: Electronic Theatre Controls, Inc.
英文描述: Ethernet Controller with General Processor Interface
中文描述: 以太網(wǎng)控制器與通用處理器接口
文件頁數(shù): 12/56頁
文件大?。?/td> 1744K
代理商: DM9000A
DM9000A
Ethernet Controller with General Processor Interface
Preliminary datasheet
Version: DM9000A-DS-P03
Apr. 21, 2005
12
2
RXVDD25
P
2.5V power output for TP RX
9
TXVDD25
P
2.5V power output for TP TX
3
RX+
I/O
TP RX Input
4
RX-
I/O
TP RX Input
5,47
RXGND
P
RX Ground
6
TXGND
P
TX Ground
7
TX+
I/O
TP TX Output
8
TX-
I/O
TP TX Output
5.6 Miscellaneous
Pin No.
Pin Name
Type
Description
41
TEST
I
Operation Mode
Force to ground in normal application
Power on Reset
Active low signal to initiate the DM9000A
The DM9000A is ready after 5us when this pin deasserted
40
PWRST#
I
5.7 Power Pins
Pin No.
Pin Name
Type
Description
23,30,42
VDD
P
Digital VDD
3.3V power input
Digital GND
15,33,45
GND
P
5.8 strap pins table
1: pull-high 1K~10K, 0: floating (default)
Pin No.
Pin Name
Description
20
EECK
Polarity of INT
1: INT pin low active;
0: INT pin high active
DATA Bus Width
1: 8-bit
0: 16-bit
INT output type in 8-bit mode
1: Open-Drain
0: force mode
21
EECS
25
GP6
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