MC9S12UF32 Datasheet, PDF (108/128 Pages) Freescale Semiconductor, Inc – System on a Chip Guide V01.05

System on a Chip Guide — 9S12UF32DGV1/D V01.05
A.1.10 Supply Currents
This section describes the current consumption characteristics of the device as well as the conditions for
the measurements.
A.1.10.1 Measurement Conditions
All measurements are without output loads. Unless otherwise noted the currents are measured in single
chip mode, internal voltage regulator enabled and at 30MHz bus frequency using a 12MHz oscillator.
A.1.10.2 Additional Remarks
In expanded modes the currents flowing in the system are highly dependent on the load at the address, data
and control signals as well as on the duty cycle of those signals. No generally applicable numbers can be
given. A very good estimate is to take the single chip currents and add the currents due to the external
loads.
Table A-8 Supply Current Characteristics
Conditions are shown in Table A-4 unless otherwise noted
Num C
Rating
Symbol Min
Typ
Run supply currents
1P
P
Single Chip mode, all modules enabled
Single Chip mode, PHY, USB and CPU enabled
I_DDR
2
Wait Supply current
P
All modules enabled I_DDW
150¹
90¹
140¹
Stop Current
3
C
C
C
0°C
27°C
70°C
I_DDS
100¹
100¹
200¹
NOTES:
1. These parameters are achieved by characterization on a small sample size from typical devices.
Max Unit
250
mA
230
mA
300
300
µA
300
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