参数资料
型号: KS8995M
厂商: Micrel Inc
文件页数: 9/73页
文件大小: 0K
描述: IC SWITCH 10/100 5PORT 128PQFP
标准包装: 66
系列: *
类型: *
应用: *
安装类型: 表面贴装
封装/外壳: 128-BFQFP
供应商设备封装: 128-PQFP(14x20)
包装: 散装
December 2003
17
M9999-120403
KS8995M
Micrel
Pin Number
Pin Name
Type(1)
Port
Pin Function
61
PMRXDV
Ipd/O
5
PHY[5] MII receive data valid.
66
PMRXER
Ipd/O
5
PHY[5] MII receive error. Strap option: PD (default) = 1522/1518 bytes;
PU = packet size up to 1536 bytes.
57
PMTXC
O
5
PHY[5] MII transmit clock. PHY mode MII
55
PMTXD0
Ipd
5
PHY[5] MII transmit bit 0
54
PMTXD1
Ipd
5
PHY[5] MII transmit bit 1
53
PMTXD2
Ipd
5
PHY[5] MII transmit bit 2
52
PMTXD3
Ipd
5
PHY[5] MII transmit bit 3
51
PMTXEN
Ipd
5
PHY[5] MII transmit enable
56
PMTXER
Ipd
5
PHY[5] MII transmit error
114
PS0
Ipd
Serial bus configuration pin. See
“pin# 113.”
113
PS1
Ipd
Serial bus configuration pin
If EEPROM is not present, the KS8995M will start itself with chip
default (00)...
Pin Config.
Serial Bus Configuration
PS[1:0]=00
I2C Master Mode for EEPROM
PS[1:0]=01
Reserved
PS[1:0]=10
SPI Slave Mode for CPU Interface
PS[1:0]=11
Factory Test Mode (BIST)
47
PWRDN_N
Ipu
Full-chip power down. Active low.
48
RESERVE
NC
Reserved pin. No connect.
115
RST_N
Ipu
Reset the KS8995M. Active low.
5
RXM1
I
1
Physical receive signal - (differential)
11
RXM2
I
2
Physical receive signal - (differential)
20
RXM3
I
3
Physical receive signal - (differential)
26
RXM4
I
4
Physical receive signal - (differential)
33
RXM5
I
5
Physical receive signal - (differential)
4
RXP1
I
1
Physical receive signal + (differential)
10
RXP2
I
2
Physical receive signal + (differential)
19
RXP3
I
3
Physical receive signal + (differential)
25
RXP4
I
4
Physical receive signal + (differential)
32
RXP5
I
5
Physical receive signal + (differential)
119
SCANEN
Ipd
NC for normal operation. Factory test pin.
84
SCOL
Ipd/O
Switch MII collision detect.
Note:
1. P = Power supply
I = Input
O = Output
I/O = Bi-directional
Gnd = Ground
Ipu = Input w/ internal pull-up
Ipd = Input w/ internal pull-down
Ipd/O = Input w/ internal pull-down during reset, output pin otherwise
Ipu/O = Input w/ internal pull-up during reset, output pin otherwise
PU = Strap pin pull-up
PD = Strap pin pull-down
Otri = Output tristated
NC = No Connect
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