mc56f801 Freescale Semiconductor, Inc, mc56f801 Datasheet - Page 105

• Manufacturer Part Number: mc56f801
• Description: 16-bit Digital Signal Controllers
• Manufacturer: Freescale Semiconductor, Inc

10.11 Serial Communication Interface (SCI) Timing
Freescale Semiconductor
Preliminary
1. Parameters listed are guaranteed by design.
2. f
3. The RXD pin in SCI0 is named RXD0 and the RXD pin in SCI1 is named RXD1.
4. The TXD pin in SCI0 is named TXD0 and the TXD pin in SCI1 is named TXD1.
Baud Rate
RXD
TXD
Deviation of slave node clock from
nominal clock rate before
synchronization
Deviation of slave node clock relative to
the master node clock after
synchronization
Minimum break character length
MAX
4
3
Pulse Width
SCI receive
SCI receive
Pulse Width
is the frequency of operation of the system clock in MHz, which is 32MHz for the 56F8014 device.
data pin
data pin
2
(Input)
(Input)
Characteristic
RXD
TXD
Figure 10-12 RXD Pulse Width
Figure 10-13 TXD Pulse Width
F
F
Table 10-16 SCI Timing
56F8014 Technical Data, Rev. 9
TOL_UNSYN
TOL_SYNCH
Symbol
RXD
TXD
T
BREAK
BR
CH
PW
PW
LIN Slave Mode
RXD
TXD
PW
PW
0.965/BR
0.965/BR
Min
-14
—
13
11
-2
1
(f
1.04/BR
1.04/BR
MAX
Max
14
2
Serial Communication Interface (SCI) Timing
/16)
Slave node
bit periods
node bit
periods
Master
Mbps
Unit
ns
ns
%
%
See Figure
10-12
10-13
—
105