MCF51MM256 Datasheet, PDF (19/52 Pages) Freescale Semiconductor, Inc – low-cost, low-power, high-performance ColdFire® V1 family of 32-bit microcontrollers (MCUs) designed for handheld metering devices.

Preliminary Electrical Characteristics
3.5 DC Characteristics
This section includes information about power supply requirements, I/O pin characteristics, and power
supply current in various operating modes.
Num
1
2
3
4
5
6
Symbol
Table 9. DC Characteristics
Characteristic
Condition Min
Typ¹
— Operating Voltage
—
1.8²
—
V_OH Output high voltage
All I/O pins, low-drive strength
1.8 V, I_Load V_DD –
= –600 μA 0.5
—
All I/O pins, high-drive strength
2.7 V, I_Load V_DD –
= –10 mA 0.5
—
2.3 V, I_Load V_DD –
= –6 mA 0.5
—
1.8V, I_Load = V_DD –
–3 mA
0.5
—
I_OHT Output high current
Max total I_OH for all ports
—
—
—
V_OL Output low voltage
All I/O pins, low-drive strength
1.8 V, I_Load
= 600 μA
—
—
All I/O pins, high-drive strength
2.7 V, I_Load
= 10 mA
—
—
2.3 V, I_Load
= 6 mA
—
—
1.8 V, I_Load
= 3 mA
—
—
I_OLT Output low current
Max total I_OL for all
ports
—
—
—
V_IH Input high voltage
all digital inputs
V_DD > 2.7 V
0.70 x
V_DD
—
V_DD > 1.8 V
0.85 x
V_DD
—
Max
3.6
—
—
—
—
100
0.5
0.5
0.5
0.5
100
—
—
Unit C
V—
V
C
V
P
V
T
V
C
mA D
V
C
V
P
V
T
V
C
mA D
V
P
V
C
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Preliminary — Subject to Change