DSP56F807 Motorola Inc, DSP56F807 Datasheet - Page 36
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DSP56F807
Manufacturer Part Number
DSP56F807
Description
56F807 16-bit Hybrid Processor
Manufacturer
Motorola Inc
Datasheet
1.DSP56F807.pdf
(52 pages)
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3.11 Serial Communication Interface (SCI) Timing
Operating Conditions:
36
Baud Rate
RXD
TXD
SCI receive
SCI receive
1.
2.
3.
4.
3
data pin
data pin
2
Pulse Width
Pulse Width
(Input)
(Input)
RXD
f
The RXD pin in SCI0 is named RXD0 and the RXD pin in SCI1 is named RXD1.
The TXD pin in SCI0 is named TXD0 and the TXD pin in SCI1 is named TXD1.
Parameters listed are guaranteed by design.
TXD
MAX
1
Phase B
is the frequency of operation of the system clock in MHz.
Characteristic
(Input)
Phase A
(Input)
V
SS
= V
Freescale Semiconductor, Inc.
Figure 26. Quadrature Decoder Timing
SSA
For More Information On This Product,
= 0 V, V
Figure 27. RXD Pulse Width
Figure 28. TXD Pulse Width
P
IN
Table 34. SCI Timing
Go to: www.freescale.com
DD
= V
Symbol
RXD
P
TXD
P
IN
DDA
BR
PH
RXD
TXD
PW
PW
= 3.0–3.6 V, T
PW
P
PW
PH
P
PH
0.965/BR
0.965/BR
A
Min
P
—
= –40 to +85 C, C
P
HL
PH
4
P
HL
P
HL
(f
MAX
L
P
1.04/BR
1.04/BR
HL
Max
*2.5)/(80)
50pF, f
56F807 Technical Data
OP
= 80MHz
Mbps
Unit
ns
ns