参数资料
型号: KSZ8995M
厂商: Micrel Inc
文件页数: 3/73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: 托盘
产品目录页面: 1081 (CN2011-ZH PDF)
配用: 576-1607-ND - BOARD EVAL EXPERIMENT KSZ8995MA
其它名称: 576-1038
December 2003
11
M9999-120403
KS8995M
Micrel
Pin Number
Pin Name
Type(1)
Port
Pin Function
59
VDDIO
P
3.3/2.5V digital V
DD for digital I/O circuitry
60
PMRXC
O
5
PHY[5] MII receive clock. PHY mode MII
61
PMRXDV
Ipd/O
5
PHY[5] MII receive data valid
62
PMRXD3
Ipd/O
5
PHY[5] MII receive bit 3. Strap option: PD (default) = enable flow
control; PU = disable flow control.
63
PMRXD2
Ipd/O
5
PHY[5] MII receive bit 2. Strap option: PD (default) = disable back
pressure; PU = enable back pressure.
64
PMRXD1
Ipd/O
5
PHY[5] MII receive bit 1. Strap option: PD (default) = drop excessive
collision packets; PU = does not drop excessive collision packets.
65
PMRXD0
Ipd/O
5
PHY[5] MII receive bit 0. Strap option: PD (default) = disable
aggressive back-off algorithm in half-duplex mode; PU = enable for
performance enhancement.
66
PMRXER
Ipd/O
5
PHY[5] MII receive error. Strap option: PD (default) = 1522/1518 bytes;
PU = packet size up to 1536 bytes.
67
PCRS
Ipd/O
5
PHY[5] MII carrier sense/Force duplex mode. See
“Register 76” for
port 4 only. PD (default) = Force half-duplex if auto-negotiation is
disabled or fails. PU = Force full-duplex if auto-negotiation is disabled
or fails.
68
PCOL
Ipd/O
5
PHY[5] MII collision detect/ Force flow control. See
“Register 66” for
port 4 only. PD (default) = No force flow control. PU = Force flow
control.
69
SMTXEN
Ipd
Switch MII transmit enable
70
SMTXD3
Ipd
Switch MII transmit bit 3
71
SMTXD2
Ipd
Switch MII transmit bit 2
72
SMTXD1
Ipd
Switch MII transmit bit 1
73
SMTXD0
Ipd
Switch MII transmit bit 0
74
SMTXER
Ipd
Switch MII transmit error
75
SMTXC
I/O
Switch MII transmit clock. Input in MAC mode, output in PHY mode MII.
76
GNDD
Gnd
Digital ground
77
VDDIO
P
3.3/2.5V digital V
DD for digital I/O circuitry
78
SMRXC
I/O
Switch MII receive clock. Input in MAC mode, output in PHY mode MII.
79
SMRXDV
Ipd/O
Switch MII receive data valid
80
SMRXD3
Ipd/O
Switch MII receive bit 3. Strap option: PD (default) = Disable Switch MII
full-duplex flow control; PU = Enable Switch MII full-duplex flow control.
81
SMRXD2
Ipd/O
Switch MII receive bit 2. Strap option: PD (default) = Switch MII in full-
duplex mode; PU = Switch MII in half-duplex mode.
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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