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KS8995MI Datasheet

  • KS8995MI

  • Micrel Semiconductor [Integrated 5-Port 10/100 Managed Swit...

  • 268.27KB

  • MICREL

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KS8995M
Pin Number
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
Pin Name
LED3-0
GNDD
VDDIO
LED2-2
LED2-1
LED2-0
LED1-2
LED1-1
LED1-0
MDC
MDIO
SPIQ
SPIC/SCL
SPID/SDA
SPIS_N
Type
(1)
Ipu/O
Gnd
P
Ipu/O
Ipu/O
Ipu/O
Ipu/O
Ipu/O
Ipu/O
Ipu
I/O
Otri
I/O
I/O
Ipu
2
2
2
1
1
1
All
All
All
All
All
All
Port
3
Pin Function
LED indicator 0
Digital ground
3.3/2.5V digital V
DD
for digital I/O
LED indicator 2
LED indicator 1
LED indicator 0
LED indicator 2
LED indicator 1
LED indicator 0
Switch or PHY[5] MII management data clock
Switch or PHY[5] MII management data I/O.
Features internal pull down to define pin state when not driven.
Micrel
(1) SPI serial data output in SPI slave mode; (2) Not used in I2C master
mode. See
鈥減in# 113.鈥?/div>
(1) Input clock up to 5MHz in SPI slave mode; (2) Output clock at
81KHz in I2C master mode. See
鈥減in# 113.鈥?/div>
(1) Serial data input in SPI slave mode; (2) Serial data input/output in
I2C master mode See
鈥減in# 113.鈥?/div>
Active low. (1) SPI data transfer start in SPI slave mode. When SPIS_N
is high, the KS8995M is deselected and SPIQ is held in high impedance
state, a high-to-low transition to initiate the SPI data transfer; (2) Not
used in I2C master mode.
Serial bus configuration pin
If EEPROM is not present, the KS8995M will start itself with chip
default (00)...
Pin Config.
PS[1:0]=00
PS[1:0]=01
PS[1:0]=10
PS[1:0]=11
Serial Bus Configuration
I2C Master Mode for EEPROM
Reserved
SPI Slave Mode for CPU Interface
Factory Test Mode (BIST)
113
PS1
Ipd
114
115
116
117
118
Note:
1. P = Power supply
I = Input
O = Output
I/O = Bi-directional
Gnd = Ground
PS0
RST_N
GNDD
VDDC
TESTEN
Ipd
Ipu
Gnd
P
Ipd
Serial bus configuration pin. See
鈥減in# 113.鈥?/div>
Reset the KS8995M. Active low.
Digital ground
1.8V digital core V
DD
NC for normal operation. Factory test pin.
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
December 2003
13
M9999-120403

KS8995MI 产品属性

  • 66

  • 集成电路 (IC)

  • 专用 IC

  • *

  • *

  • *

  • 表面贴装

  • 128-BFQFP

  • 128-PQFP（14x20）

  • 散装

  • 576-1020

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