Programmer’s Guide BCM5722
10/15/07
Broadcom Corporation
Document 5722-PG101-R Ethernet MAC Control Registers Page 260
REGULATOR VOLTAGE CONTROL REGISTER (OFFSET 0X590)
This register is applicable to BCM5906, BCM5906M, BCM5787, and BCM5787M devices only.
Table 216: Regulator Voltage Control Register (Offset 0x590)
Bit Field Description Init Access
31:28 Reserved – 0 RO
27:24 Regctl 2.5V Output voltage trim control.
• 0 = +0%
• 1 = +2%
• 2 = +4%
• 3 = +6%
• 4 = +8%
• 5 = +10%
• 6 = +12%
• 7 = +14%
• 8 = –16%
• 9 = –14%
• 10 = –12%
• 11 = –10%
• 12 = –8%
• 13 = –6%
• 14 = –4%
• 15 = –2%
0
1 (for C0)
R/W
23:20 Regctl 1.2V Output voltage trim control.
• 0 = +0%
• 1 = +2%
• 2 = +4%
• 3 = +6%
• 4 = +8%
• 5 = +10%
• 6 = +12%
• 7 = +14%
• 8 = –16%
• 9 = –14%
• 10 = –12%
• 11 = –10%
• 12 = –8%
• 13 = –6%
• 14 = –4%
• 15 = –2%
1110b for A0.
0 otherwise
R/W
19:0 Reserved – 0 RO