KSZ9021GN TR Micrel Inc, KSZ9021GN TR Datasheet - Page 27
KSZ9021GN TR
Manufacturer Part Number
KSZ9021GN TR
Description
Specifications: Number of Drivers/Receivers: 8/8 ; Type: Transceiver ; Voltage - Supply: 3.135 V ~ 3.465 V ; Package / Case: 64-VFQFN Exposed Pad ; Packaging: Tape & Reel (TR) ; Protocol: Gigabit Ethernet ; Lead Free Status: Lead Free ; RoHS Stat
Manufacturer
Micrel Inc
Datasheet
1.KSZ9021GN_TR.pdf
(53 pages)
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Micrel, Inc.
NAND Tree Support
The KSZ9021GN provides parametric NAND tree support for fault detection between chip I/Os and board. The NAND
tree mode is enabled at power-up / reset with the MODE[3:0] strap-in pins set to 0100.
The following table lists the NAND tree pin order.
September 2010
Table 8. NAND Tree Test Pin Order – for KSZ9021GN
Pin
LED2
LED1
TXD0
TXD1
TXD2
TXD3
TX_ER
GTX_CLK
TX_EN
RX_DV
RX_ER
RX_CLK
CRS
COL
INT_N
MDC
MDIO
CLK125_NDO
Description
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Output
27
M9999-091010-1.1
KSZ9021GN
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