Texas Instruments TNETE110A, TNETE211, TNETE100A manual Internal Registers, HASH1 HASH2

Internal Registers

2.4 Internal Registers

Figure 2±5. Internal Registers

Byte 3 Byte 2 Byte 1 Byte 0 DIO address

NetMask	NetSts		NetSio	NetCmd
Man Test			NetConfig
Default	Default		Default	Default
device ID	device ID		vendor ID	vendor ID
MSbyte	LSbyte		MSbyte	LSbyte
Default	Default		Default	Default
Max_Lat	Min_Lat		Subclass	revision
Areg_0	Areg_0		Areg_0	Areg_0
(23 to 16)	(31 to 24)		(39 to 32)	(47 to 40)
Areg_1	Areg_1		Areg_0	Areg_0
(39 to 32)	(47 to 40)		(7 to 0)	(15 to 8)
Areg_1	Areg_1		Areg_1	Areg_1
(7 to 0)	(15 to 8)		(23 to 16)	(31 to 24)
Areg_2	Areg_2		Areg_2	Areg_2
(23 to 16)	(31 to 24)		(39 to 32)	(47 to 40)
Areg_3	Areg_3		Areg_2	Areg_2
(39 to 32)	(47 to 40)		(7 to 0)	(15 to 8)
Areg_3	Areg_3		Areg_3	Areg_3
(7 to 0)	(15 to 8)		(23 to 16)	(31 to 24)
		HASH1
		HASH2
Tx underrun			Good Tx frames
Rx overrun		Good Rx frames
Code error	CRC error		Deferred Tx
frames	frames		frames
Single collision Tx frames			Multicollision Tx frames
Acommit	Carrier loss		Late	Excessive
	errors		collisions	collisions
MaxRx			BSIZEreg	LEDreg

0x00

0x04

0x08

0x0C

0x10

0x14

0x18

0x1C

0x20

0x24

0x28

0x2C

0x30

0x34

0x38

0x3C

0x40

0x44

The internal registers are used less often than the host registers. They are used for:

-Setting diagnostic options, such as loopback (wrap) and copy all frames

-Setting network options. This is usually a one-time operation at initialization.

ThunderLAN Registers 2-11