KSZ8893FQL-FX Micrel Inc, KSZ8893FQL-FX Datasheet - Page 48

• Manufacturer Part Number: KSZ8893FQL-FX
• Description: 2+1 Port 10/100 Switch W/Tranceivers & Frame Buffers, ( )
• Manufacturer: Micrel Inc

Specifications of KSZ8893FQL-FX

• Controller Type: Ethernet Switch Controller
• Interface: MII, RMII, SNI
• Voltage - Supply: 3.1 V ~ 3.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• Number Of Primary Switch Ports: 3
• Internal Memory Buffer Size: 32
• Operating Supply Voltage (typ): 3.3V
• Fiber Support: Yes
• Integrated Led Drivers: Yes
• Power Supply Type: Analog/Digital
• Package Type: PQFP
• Vlan Support: Yes
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Temperature Classification: Commercial
• Data Rate: 1000Mbps
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 576-1603 - EVAL KIT EXPERIMENTAL KSZ8893MQL
• Current - Supply: -
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 576-3273

Micrel, Inc.
The following is a sample procedure for programming the KSZ8893FQL with a pre-configured EEPROM:
Note: For proper operation, check to ensure that the KSZ8893FQL PWRDN input signal (pin 36) is not asserted during
the reset operation. The PWRDN input is active low.
I2C Slave Serial Bus Configuration
In managed mode, the KSZ8893FQL can be configured as an I
(external controller/CPU) has complete programming access to the KSZ8893FQL’s 142 registers. Programming access
includes the Global Registers, Port Registers, Advanced Control Registers and indirect access to the “Static MAC
Table”, “VLAN Table”, “Dynamic MAC Table,” and “MIB Counters.” The tables and counters are indirectly accessed via
registers 121 to 131.
In I
registers is similar to addressing Atmel’s AT24C02 EEPROM’s memory locations. Details of I
and related timing information can be found in the AT24C02 Datasheet.
Two fixed 8-bit device addresses are used to address the KSZ8893FQL in I
for write. The addresses are as follow:
The following is a sample procedure for programming the KSZ8893FQL using the I
October 2007
2
1. Connect the KSZ8893FQL to the EEPROM by joining the SCL and SDA signals of the respective devices. For
2. Enable I
3. Check to ensure that the KSZ8893FQL reset signal input, RST_N (pin 67), is properly connected to the external
4. Program the desired configuration data into the EEPROM.
5. Place the EEPROM on the board and power up the board.
6. Assert an active-low reset to the RST_N pin of the KSZ8893FQL. After reset is de-asserted, the KSZ8893FQL
1. Enable I
2. Power up the board and assert reset to the KSZ8893FQL. After reset, the “Start Switch” bit (register 1 bit [0]) is
3. Configure the desired register settings in the KSZ8893FQL, using the I
C slave mode, the KSZ8893FQL operates like other I
the KSZ8893FQL, SCL is pin 97 and SDA is pin 98.
“00”.
reset source at the board level.
begins reading the configuration data from the EEPROM. The KSZ8893FQL checks that the first byte read from
the EEPROM is “88”. If this value is correct, EEPROM configuration continues. If not, EEPROM configuration
access is denied and all other data sent from the EEPROM is ignored by the KSZ8893FQL. The configuration
access time (t
“01”.
set to ‘0’.
1011_1111 <read>
1011_1110 <write>
2
2
C master mode by setting the KSZ8893FQL strap-in pins, PS[1:0] (pins 100 and 101, respectively) to
C slave mode by setting the KSZ8893FQL strap-in pins PS[1:0] (pins 100 and 101, respectively) to
prgm
) is less than 15ms.
Figure 10. KSZ8893FQL EEPROM Configuration Timing Diagram.
48
2
C slave devices. Addressing the KSZ8893FQL’s 8-bit
2
C slave device. In this mode, an I
2
C slave mode. One is for read; the other is
2
C write operation.
2
C slave serial bus:
2
C read/write operations
M9999-101607-1.3
2
C master device
KSZ8893FQL