TWR-56F8257 Freescale Semiconductor, TWR-56F8257 Datasheet - Page 64

• Manufacturer Part Number: TWR-56F8257
• Description: TOWER SYSTEM KIT MC56F8257
• Manufacturer: Freescale Semiconductor
• Type: DSC, Digital Signal Controllerr

Specifications of TWR-56F8257

• Contents: Board, Cables, Documentation, DVD
• For Use With/related Products: Freescale Tower System, MC56F8257
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Specifications
7.19
64
1
2
Deviation of slave node clock relative to
Parameters listed are guaranteed by design.
f
(max. 120 MHz) for the MC56F825x/MC56F824x device.
MAX
Deviation of slave node clock from
Minimum break character length
the master node clock after
is the frequency of operation of the SCI in MHz, which can be selected system clock (max. 60 MHz) or 2x system clock
nominal clock rate before
SCI receive
SCI receive
Queued Serial Communication Interface (SCI) Timing
data pin
data pin
RXD pulse width
TXD pulse width
synchronization
synchronization
Characteristic
(Input)
(Input)
RXD
TXD
Baud rate
2
MC56F825x/MC56F824x Digital Signal Controller, Rev. 3
F
TOL_UNSYNCH
F
TOL_SYNCH
Figure 24. RXD Pulse Width
Figure 25. TXD Pulse Width
Symbol
RXD
TXD
T
BREAK
BR
Table 35. SCI Timing
PW
PW
LIN Slave Mode
RXD
TXD
PW
PW
0.965/BR
0.965/BR
Min
–14
–2
13
11
—
1
(f
1.04/BR
1.04/BR
MAX
Max
14
—
—
2
/16)
Master node
Slave node
bit periods
bit periods
Mbps
Unit
ns
ns
%
%
Freescale Semiconductor
See Figure
Figure 24
Figure 25
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