TWR-MCF51MM Freescale Semiconductor, TWR-MCF51MM Datasheet - Page 42

• Manufacturer Part Number: TWR-MCF51MM
• Description: TOWER SYSTEM BOARD MCF51MM
• Manufacturer: Freescale Semiconductor
• Series: ColdFire®, Flexis™r
• Type: MCUr

Specifications of TWR-MCF51MM

• Contents: Board, 3 Modules, MED-EKG Kit, Cables, Documentation, DVD
• Product: Microcontroller Modules
• Data Bus Width: 32 bit
• Core Processor: MCF51MM
• Clock Speed: 32 KHz
• Interface Type: RS232, RS485, CAN , USB
• Flash: 256 KB
• Operating Supply Voltage: 3.3 V
• Silicon Manufacturer: Freescale
• Core Architecture: Coldfire
• Core Sub-architecture: Coldfire V1
• Silicon Core Number: MCF51
• Silicon Family Name: Flexis - MCF51MM
• Rohs Compliant: Yes
• For Use With/related Products: Freescale Tower System, MCF51MM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical Characteristics
3.12
This section describes ac timing characteristics for each peripheral system.
3.12.1
42
Freescale reserves the right to change the detail specifications as may be required to permit improvements in the design of its products.
#
1
2
3
4
5
6
7
8
AC Characteristics
t
t
Symbol
ILIH,
ILIH,
t
Control Timing
t
t
MSSU
t
t
rstdrv
f
extrst
MSH
LPO
Bus
t
t
IHIL
IHIL
Bus frequency (t
Internal low-power oscillator
period
External reset pulse width
(t
Reset low drive
Active background debug
mode latch setup time
Active background debug
mode latch hold time
IRQ pulse width
KBIPx pulse width
•
•
•
•
cyc
Asynchronous path
Synchronous path
Asynchronous path
Synchronous path
= 1/f
Self_reset
Parameter
cyc
)
= 1/f
3
3
Table 21. Control Timing
2
2
Bus
2
)
V
V
V
DD
DD
DD
> 2.1 V
> 2.4 V
 1.8 V
1.5 x t
1.5 x t
66 x t
Min
700
100
500
100
100
100
dc
dc
dc
cyc
cyc
cyc
Typical
1000
—
—
—
—
—
—
—
—
—
1
25.165
1300
Freescale Semiconductor
Max
10
20
—
—
—
—
—
—
C
D
D
D
P
D
D
D
D
D
D
MHz
Unit
s
ns
ns
ns
ns
ns
ns