KSZ9021GN

Gigabit Ethernet Transceiver With GMII / MII Support

Schematic Symbol

Pin Configuration (65 pins)

Pin	Name	Type
51	MDIO	bidirectional
50	MDC	input
33	TX_EN	input
32	GTX_CLK	input
57	TX_CLK	output
31	TX_ER	input
29	TXD7	input
28	TXD6	input
27	TXD5	input
26	TXD4	input
24	TXD3	input
23	TXD2	input
22	TXD1	input
21	TXD0	input
34	RXD7	output
35	RXD6	output
37	RXD5	output
38	RXD4	output
39	RXD3/MODE3	bidirectional
41	RXD2/MODE2	bidirectional
43	RXD1/MODE1	bidirectional
44	RXD0/MODE0	bidirectional
48	RX_CLK/PHYAD2	bidirectional
45	RX_DV/CLK125_EN	bidirectional
47	RX_ER	output
52	COL	output
49	CRS	output
3	TXRXM_A	bidirectional
2	TXRXP_A	bidirectional
8	TXRXM_B	bidirectional
7	TXRXP_B	bidirectional
11	TXRXM_C	bidirectional
10	TXRXP_C	bidirectional
15	TXRXM_D	bidirectional
14	TXRXP_D	bidirectional
63	ISET	bidirectional
56	~{RESET}	input
53	~{INT}	output
55	CLK125_NDO/LEDMODE	bidirectional
19	LED1/PHYAD0	bidirectional
17	LED2/PHYAD1	bidirectional
61	XI	input
60	XO	output
62	AVDDH	power_in
16	AVDDH	power_in
1	AVDDH	power_in
13	AVDDL	power_in
12	AVDDL	power_in
5	AVDDL	power_in
4	AVDDL	power_in
59	AVDDL_PLL	power_in
64	AGNDH	power_in
9	AGNDH	power_in
46	DVDDH	power_in
40	DVDDH	power_in
30	DVDDH	power_in
18	DVDDH	power_in
54	DVDDL	power_in
42	DVDDL	power_in
36	DVDDL	power_in
25	DVDDL	power_in
20	DVDDL	power_in
58	LDO_O	output
6	NC	passive
65	EP	power_in

Footprint

This symbol has no default footprint. It's typically a generic part where the footprint depends on the package you choose.

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