Datasheet
2009-2016 Microchip Technology Inc. DS00002306A-page 7
LAN9514/LAN9514I
TABLE 2-1: EEPROM PINS
Num
PINs
Name Symbol
Buffer
Type
Description
1 EEPROM Data
In
EEDI IS
(PD)
This pin is driven by the EEDO output of the
external EEPROM.
1 EEPROM Data
Out
EEDO O8 This pin drives the EEDI input of the external
EEPROM.
1 EEPROM Chip
Select
EECS O8 This pin drives the chip select output of the external
EEPROM.
1 EEPROM Clock EECLK O8 This pin drives the EEPROM clock of the external
EEPROM.
TABLE 2-2: JTAG PINS
Num
PINs
Name Symbol
Buffer
Type
Description
1 JTAG Test Port
Reset
nTRST IS This active low pin functions as the JTAG test port
reset input.
Note: This pin should be tied high if it is not
used.
1 JTAG Test
Mode Select
TMS IS This pin functions as the JTAG test mode select.
1 JTAG Test Data
Input
TDI IS This pin functions as the JTAG data input.
1 JTAG Test Data
Out
TDO O12 This pin functions as the JTAG data output.
1 JTAG Test
Clock
TCK IS This pin functions as the JTAG test clock. This pin
should be tied high through a 10 kΩ resistor.