8101 datasheet(114/172 Pages) LSI

114 / 172 page

4-26

Registers

4.3.14 Register 17–Transmit FIFO Threshold

Note:

TWM1[4] 15-bit occurs on the REGD15 pin

TWM1[4:0]

Transmit FIFO Watermark 1 Threshold

[15:11], R/W

TWM2[4:0]

Transmit FIFO Watermark 2 Threshold

[10:6], R/W

TWM1[4:0]

TWM2[4:0]

TASND[5:0]

TWM1[4:0]

Description

Range

−1024 words (0−4096 bytes)

Increment

32 words (128 bytes)

11111

Reserved, do not use

11110

992 words in FIFO (3968 bytes)

11101

960 words in FIFO (3840 bytes

00001

64 words in FIFO (256 bytes)

00000

32 words in FIFO (128 bytes)

TWM2[4:0]

Description

Range

−1024 words (0−4096 bytes)

Increment

32 words (128 bytes)

11111

Reserved, do not use

11110

992 words in FIFO (3968 bytes)

11101

960 words in FIFO (3840 bytes)

00001

64 words in FIFO (256 bytes)

00000

32 words in FIFO (128 bytes)

8101 Datasheet(PDF) 114 Page - LSI Computer Systems

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