Datasheet KSZ8775CLX (Microchip) - 7
| Manufacturer | Microchip |
| Description | Integrated 5–Port 10/100 Managed Ethernet Switch with Port 4 RMII and Port 5 RGMII/MII/ RMII Interfaces |
| Pages / Page | 132 / 7 — KSZ8775CLX |
| File Format / Size | PDF / 2.3 Mb |
| Document Language | English |
KSZ8775CLX
Model Line for this Datasheet
Text Version of Document
KSZ8775CLX
TABLE 2-1: SIGNALS (CONTINUED) Num Pins Pin Name Type Port 6 RXP1 I 1 Port 1 physical receive signal + (differential). 7 RXM1 I 1 Port 1 physical receive signal -(differential). 8 TXP1 O 1 Port 1 physical transmit signal + (differential). 9 TXM1 O 1 Port 1 physical transmit signal -(differential). 10 RXP2 I 2 Port 2 physical receive signal + (differential). 11 RXM2 I 2 Port 2 physical receive signal -(differential). 12 TXP2 O 2 Port 2 physical transmit signal + (differential) 13 TXM2 O 2 Port 2 physical transmit signal -(differential). 14 VDDAT P 15 RXP3 I 3 Port 3 physical receive signal + (differential). 16 RXM3 I 3 Port 3 physical receive signal -(differential). 17 TXP3 O 3 Port 3 physical transmit signal + (differential). 18 TXM3 O 3 Port 3 physical transmit signal – (differential). 19 NC NC No connect 20 NC NC No connect 21 GNDA GND Analog ground
Interrupt. Active low.
This pin is an open-drain output pin.
Note: an external pull-up resistor is needed on
this pin when it is in use. 22 INTR_N OPU 23 NC NC 24 TXD4_1 IPD Pin Description 3.3V or 2.5V analog power No connect
4 RMII: Port 4 RMII transmit bit [1]. 25 LED3_1 IPU/O 3 Port 3 LED Indicator 1.
See global Register 11 bits [5:4] for details.
Strap option: Switch Port 5 GMAC5 interface
mode select by
LED3[1:0]
00 = MII for SW5-MII
01 = RMII for SW5-RMII
10 = Reserved
11 = RGMII for SW5-RGMII (default) 26 TXD4_0 IPD 4 RMII: Port 4 RMII transmit bit [0] 27 LED3_0 IPU/O 3 Port 3 LED Indicator 0.
See global Register 11 bits [5:4] for details.
Strap option: see LED3_1 28 VDD12D P 29 GNDD GND 2015 Microchip Technology Inc. 1.2V core power.
Digital ground. DS00002129C-page 7
TABLE 2-1: SIGNALS (CONTINUED) Num Pins Pin Name Type Port 6 RXP1 I 1 Port 1 physical receive signal + (differential). 7 RXM1 I 1 Port 1 physical receive signal -(differential). 8 TXP1 O 1 Port 1 physical transmit signal + (differential). 9 TXM1 O 1 Port 1 physical transmit signal -(differential). 10 RXP2 I 2 Port 2 physical receive signal + (differential). 11 RXM2 I 2 Port 2 physical receive signal -(differential). 12 TXP2 O 2 Port 2 physical transmit signal + (differential) 13 TXM2 O 2 Port 2 physical transmit signal -(differential). 14 VDDAT P 15 RXP3 I 3 Port 3 physical receive signal + (differential). 16 RXM3 I 3 Port 3 physical receive signal -(differential). 17 TXP3 O 3 Port 3 physical transmit signal + (differential). 18 TXM3 O 3 Port 3 physical transmit signal – (differential). 19 NC NC No connect 20 NC NC No connect 21 GNDA GND Analog ground
Interrupt. Active low.
This pin is an open-drain output pin.
Note: an external pull-up resistor is needed on
this pin when it is in use. 22 INTR_N OPU 23 NC NC 24 TXD4_1 IPD Pin Description 3.3V or 2.5V analog power No connect
4 RMII: Port 4 RMII transmit bit [1]. 25 LED3_1 IPU/O 3 Port 3 LED Indicator 1.
See global Register 11 bits [5:4] for details.
Strap option: Switch Port 5 GMAC5 interface
mode select by
LED3[1:0]
00 = MII for SW5-MII
01 = RMII for SW5-RMII
10 = Reserved
11 = RGMII for SW5-RGMII (default) 26 TXD4_0 IPD 4 RMII: Port 4 RMII transmit bit [0] 27 LED3_0 IPU/O 3 Port 3 LED Indicator 0.
See global Register 11 bits [5:4] for details.
Strap option: see LED3_1 28 VDD12D P 29 GNDD GND 2015 Microchip Technology Inc. 1.2V core power.
Digital ground. DS00002129C-page 7
