External Devices
2-30
2.6.4
ThunderLAN EEPROM Map
ThunderLAN uses the following EEPROM map. Note that these values may
be used in several applications and systems including:
-
ThunderLAN hardware
-
A host running Texas Instruments ThunderLAN drivers
-
Texas Instruments diagnostic routines
Table 2–1. ThunderLAN EEPROM Map
Address Default
Binary Bits
Description
0x70
0x70
ccccxbdx
Acommit register and bit level PHY controls
cccc – commit level 0 – 7
b – Local loopback select
d – ThinNet select
0x71
0x33
ttttrrrr
Transmit and receive burst size control
tttt – Transmit burst size control 0 – 7
rrrr – Receive burst size control 0 – 7
0x72
0x00
ccccbbbb
PHY
TLPHY_ctl register initialization options
cccc – Bits 15 – 12 of the MII register 0x11 TLPHY_ctl
bbbb – Bits 3 – 0 of the MII register 0x11 TLPHY_ctl
0x73
0x0f
Interrupt pacing timer value
0x74
0xff
Configuration space Latency_Timer
register value
0x75
0xea
LSB of maximum frame size to test
0x76
0x05
MSB of maximum frame size to test
0x77
0x40
LSB of small frame in mixed frame size test
0x78
0x00
MSB of small frame in mixed frame size test
Summary of Contents for ThunderLAN TNETE100A
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