SH7619 Datasheet, PDF (671/836 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7619 Series

Section 22 Ethernet Physical Layer Transceiver (PHY)
• Register 0 (Basic Control)
Address Name
Description
Mode Default
0.15
Reset
1 = software reset. This bit is self-clearing.
RW/SC 0
With this LSI, do not use this bit.
0.14
Loopback 1 = loopback mode, 0 = normal operation
RW 0
0.13
Speed Select 1 = 100Mbps, 0 = 10Mbps. Ignored if Auto
Negotiation is enabled (0.12 = 1).
RW Set by
co_st_mode
[2:0] of
PHYIFCR
0.12
Auto-
1 = enable auto-negotiate process (overrides RW Set by
Negotiation 0.13 and 0.8), 0 = disable auto-negotiate process
co_st_mode
Enable
[2:0] of
PHYIFCR
0.11
Power Down 1 = General power down mode, 0 = normal
operation
RW 0
0.10
Isolate
Reserved. (0= normal operation)The write value RW
should always be 0.
Set by
co_st_mode
[2:0] of
PHYIFCR
0.9
Restart Auto- 1 = restart auto-negotiate process, 0 = normal RW/SC 0
Negotiate operation. Bit is self-clearing.
0.8
Duplex Mode 1 = full duplex, 0 = half duplex . Ignored if Auto RW Set by
Negotiation is enabled (0.12 = 1).
co_st_mode
[2:0] of
PHYIFCR
0.7
Collision Test 1 = enable COL test, 0 = disable COL test
RW 0
0.6:0
Reserved The write value should always be 0.
RO
0
Rev. 5.00 Mar. 15, 2007 Page 633 of 794
REJ09B0237-0500