dsp56f802ta80 Freescale Semiconductor, Inc, dsp56f802ta80 Datasheet - Page 27

• Manufacturer Part Number: dsp56f802ta80
• Description: 16-bit Digital Signal Controllers
• Manufacturer: Freescale Semiconductor, Inc

3.8 Serial Communication Interface (SCI) Timing
Freescale Semiconductor
Baud Rate
RXD
TXD
1. f
2. The RXD pin in SCI0 is named RXD0 and the RXD pin in SCI1 is named RXD1.
3. The TXD pin in SCI0 is named TXD0 and the TXD pin in SCI1 is named TXD1.
4. Parameters listed are guaranteed by design.
SCI receive
SCI receive
3
2
MAX
Pulse Width
data pin
data pin
Pulse Width
Operating Conditions:
(Input)
(Input)
RXD
TXD
is the frequency of operation of the system clock in MHz.
1
Characteristic
V
Figure 3-11 RXD Pulse Width
Figure 3-12 TXD Pulse Width
SS
= V
Table 3-12 SCI Timing
56F802 Technical Data, Rev. 9
SSA
= 0 V, V
Symbol
RXD
TXD
RXD
TXD
BR
PW
PW
PW
PW
DD
= V
DDA
0.965/BR
0.965/BR
= 3.0–3.6 V, T
Min
—
4
A
Serial Communication Interface (SCI) Timing
= –40° to +85°C, C
(f
MAX
1.04/BR
1.04/BR
Max
*2.5)/(80)
L
≤
50pF
Mbps
Unit
ns
ns
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