HD6417618 datasheet(278/646 Pages) RENESAS

278 / 646 page

Section 11 Ethernet Controller (EtherC)

Rev. 6.00 Jun. 12, 2007 Page 246 of 610

REJ09B0131-0600

11.3.21

Manual PAUSE Frame Set Register (MPR)

MPR sets the TIME parameter value of the manual PAUSE frame. When transmitting the manual

PAUSE frame, the value set to this register is used as the TIME parameter of the PAUSE frame.

Bit

Bit Name

Initial

Value

R/W

Description

31 to 16



All 0

Reserved

These bits are always read as 0. The write value

should always be 0.

15 to 0

MP15 to MP0 All 0

R/W

Manual PAUSE

Sets the TIME parameter value of the manual

PAUSE frame. At this time, 1 bit means 512-bit time.

Read values are undefined.

11.3.22

Automatic PAUSE Frame Retransfer Count Set Register (TPAUSER)

TPAUSER sets the upper limit of the number of times of the PAUSE frame retransfer. TPAUSER

must not be changed while the transmitting function is enabled.

Bit

Bit Name

Initial

Value

R/W

Description

31 to 16



All 0

Reserved

These bits are always read as 0. The write value

should always be 0.

15 to 0

TPAUSE15

to TPAUSE0

All 0

R/W

Upper Limit of the Number of Times of PAUSE

Frame Retransfer

H'0000: Unlimited number of times of retransfer

H'0001: Retransfer once

H'FFFF: Number of times of retransfer is 65535

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