SH7618 Datasheet, PDF (278/646 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7618 Series

Section 11 Ethernet Controller (EtherC)
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
31 to 16 
Initial
Value
All 0
15 to 0 MP15 to MP0 All 0
R/W Description
R
Reserved
These bits are always read as 0. The write value
should always be 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
31 to 16 
Initial
Value
All 0
15 to 0 TPAUSE15 All 0
to TPAUSE0
R/W Description
R
Reserved
These bits are always read as 0. The write value
should always be 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
Rev. 6.00 Jun. 12, 2007 Page 246 of 610
REJ09B0131-0600