ÉlanSC310 Microcontroller Evaluation Board User’s Manual
A-4
1.
0
Table A-5. Power Measurement Jumpers
NOTE:
Be sure to turn off system power before removing JP1–JP11. Replace
JP1–11 before power-up or the system will not work.
Jumper
V
CC
Logic connected to V
CC
plane
JP1
V
CC
ÉlanSC310 core V
CC
only. Always 3.3 V.
JP2
V
CC3
ÉlanSC310 AV
CC
pin. Analog V
CC
. Always 3.3 V.
JP3
V
CC5
ÉlanSC310 V
CC5
pin. Diode clamp refs except V
CC
MEM
and AV
CC
source pins. Always 5 V except in full 3.3-
V designs. (Evaluation board limits to 5 V.)
JP4
V
CCMEM
ÉlanSC310 memory interface V
CC
. See the SW4 table
on page 2-19 for 3.3-V or 5-V setting. Restrictions do
apply. Also the diode clamp ref for pins sourced to the
V
CCMEM
pin.
JP5
V
CCSYS
ÉlanSC310 ISA bus V
CC
and other misc. pins. 5 V or
3.3 V. Refer to datasheet for details.
JP6
V
CCSYS2
ÉlanSC310 alternate pin V
CC
. 5 V or 3.3 V. Refer to
datasheet for details.
JP7
V
CCMEM53
System DRAM V
CC
plane.
JP10
V
CCKBOS
8042 V
CC
JP11
V
CCROM
BIOS and Application ROM V
CC
JP19
V
CC1
ÉlanSC310 V
CC1
pin 176. 5 V or 3.3 V.
evalbd.book : appa Page 4 Thursday, August 8, 1996 2:34 PM