KSZ8864RMNI MICREL [Micrel Semiconductor], KSZ8864RMNI Datasheet - Page 18

• Manufacturer Part Number: KSZ8864RMNI
• Description: Integrated 4-Port 10/100 Managed Switch with Two MACs MII or RMII Interfaces
• Manufacturer: MICREL [Micrel Semiconductor]

September 2011
Notes:
1.
2.
Pin Number
59
60
61
62
63
64
P = Power supply.
I = Input.
O = Output.
I/O = Bidirectional.
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.
NC = No connect.
PU = Strap pin pull-up.
PD = Strap pull-down.
OTRI = Output tristated.
Pin Name
RST_N
VDDC
PS1
PS0
X1
X2
Type
IPD
IPD
IPU
O
P
I
(1)
Port
Serial bus configuration pin.
For this case, if the EEPROM is not present, the Switch will
start itself with the PS[1.0] = 00 default register values.
Pin Configuration
PS[1.0]=00
PS[1.0]=01
PS[1.0]=10
PS[1.0]=11
Serial bus configuration pin.
25MHz crystal clock connection/or 3.3V Oscillator input.
Crystal/Oscillator should be <= ±50ppm tolerance.
Pin Function
Reset the device. Active low.
1.2V digital core V
25MHz crystal clock connection.
18
(2)
DD
.
Serial Bus Configuration
I
SMI Interface Mode
SPI Slave Mode for CPU Interface
Factory Test Mode (BIST)
2
C Master Mode for EEPROM
M9999-092011-1.4