Datasheet

MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.7
Electrical Characteristics
Freescale Semiconductor26
5C
Wait mode supply
3
current measured at
(CPU clock = 2 MHz, f
Bus
= 1 MHz)
WI
DD
51.3 2
mA
31.29 2
6C
Wait mode supply
3
current measured at
(CPU clock = 16 MHz, f
Bus
= 8 MHz)
55.11 8
mA
35.1 8
7C
Wait mode supply
3
current measured at
(CPU clock = 50 MHz, f
Bus
= 25 MHz)
5 15.24 25
mA
315.2 25
8C
Stop2 mode supply current
–40 C
25 C
120 C
–40 C
25 C
120C
S2I
DD
51.40
2.5
2.5
200
A
31.16
2.5
2.5
200
A
9C
Stop3 mode supply current
–40 C
25 C
120C
–40 C
25 C
120 C
S3I
DD
51.60
2.5
2.5
220
A
31.35
2.5
2.5
220
A
10 C RTI adder to stop2 or stop3
3
, 25 C S23I
DDRTI
5300 nA
3300 nA
11 C
Adder to stop3 for oscillator enabled
4
(ERCLKEN =1 and EREFSTEN = 1)
S3I
DDOSC
5, 3 5 A
1
Typicals are measured at 25 C.
2
Values given here are preliminary estimates prior to completing characterization.
3
Most customers are expected to find that auto-wakeup from stop2 or stop3 can be used instead of the higher current wait
mode.
4
Values given under the following conditions: low range operation (RANGE = 0), low power mode (HGO = 0).
Table 11. Supply Current Characteristics (continued)
Num C Parameter Symbol V
DD
(V) Typical
1
Max
2
Unit