TWR-MCF51JE Freescale Semiconductor, TWR-MCF51JE Datasheet - Page 37

• Manufacturer Part Number: TWR-MCF51JE
• Description: TOWER SYSTEM BOARD MCF51JE
• Manufacturer: Freescale Semiconductor
• Series: ColdFire®, Flexis™r
• Type: MCUr

Specifications of TWR-MCF51JE

• Contents: Board
• Data Bus Width: 32 bit
• Interface Type: RS-232, RS-485, Ethernet, CAN, USB
• Silicon Manufacturer: Freescale
• Core Architecture: Coldfire
• Core Sub-architecture: Coldfire V1
• Silicon Core Number: MCF51J
• Silicon Family Name: Flexis - MCF51JE
• Rohs Compliant: Yes
• For Use With/related Products: Freescale Tower System, MCF51JE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3.12
This section describes ac timing characteristics for each peripheral system.
3.12.1
Freescale Semiconductor
#
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
)
Preliminary — Subject to Change
= 1/f
3
3
Table 20. 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
800
100
500
100
100
100
dc
dc
dc
cyc
cyc
cyc
Preliminary Electrical Characteristics
Typical
(TBD)
990
—
—
—
—
—
—
—
—
—
1
25.165
1500
Max
10
20
—
—
—
—
—
—
C
D
D
D
D
D
D
D
D
D
D
MHz
Unit
μs
ns
ns
ns
ns
ns
ns
1-3