MC56F8345 Freescale Semiconductor, Inc, MC56F8345 Datasheet - Page 149
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MC56F8345
Manufacturer Part Number
MC56F8345
Description
56f8300 16-bit Digital Signal Controllers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC56F8345.pdf
(164 pages)
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10.12 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
SCI receive
40MHz for the 56F8145 device.
MAX
4
3
data pin
Characteristic
Pulse Width
Pulse Width
is the frequency of operation of the system clock, ZCLK, in MHz, which is 60MHz for the 56F8345 device and
(Input)
RXD
Phase B
2
(Input)
Phase A
(Input)
Figure 10-14 Quadrature Decoder Timing
RXD
Symbol
TXD
BR
PW
PW
Figure 10-15 RXD Pulse Width
P
IN
Table 10-20 SCI Timing
56F8345 Technical Data, Rev. 17
P
P
IN
0.965/BR
0.965/BR
PH
Min
—
RXD
P
PH
PW
P
PH
P
P
HL
PH
(f
1.04/BR
1.04/BR
P
MAX
HL
Max
1
/16)
P
HL
Serial Communication Interface (SCI) Timing
P
HL
Mbps
Unit
ns
ns
See Figure
10-15
10-16
—
149