Power Rails; Figure 7-1 Ads Power Scheme - Motorola MSC8101 ADS User Manual

7•1

Power rails.

There 3 power buses with the MSC8101:
1)I/O -3.3V nominal
1)Internal Logic - 1.5V nominal.
2)PLL - 1.5V nominal.
and there are 3 power buses on the MSC8101ADS:
1)5V bus
2)3.3V bus
3)V bus
logic
ADS Logic & Peripherals
5V0
F1
4A
5V P26
To support off-board application development, two of the power buses are connected to the ex-
pansion connectors, so that external logic may be powered directly from the board. The maximum
current allowed to be drawn from the board on each bus is shown in
MOTOROLA
Freescale Semiconductor, Inc.
Power
7 - Power

FIGURE 7-1 ADS Power Scheme

CODEC
3.3+-10%V
1V5
0.9-2.2.V
MSC8101ADS RevB User's Manual
For More Information On This Product,
Go to: www.freescale.com
JP3
5VExt
3V3
JS4 JS5
JS3
VCCSYN VCCSYN1
QVCC
MSC8101
TABLE 7-1. "Off-Board Appli-
P1
JS2 JS1
NVCC QHCC
65