DSP56F803EVM Freescale Semiconductor, DSP56F803EVM Datasheet - Page 42

• Manufacturer Part Number: DSP56F803EVM
• Description: KIT EVALUATION FOR DSP56F803
• Manufacturer: Freescale Semiconductor

Specifications of DSP56F803EVM

• Processor To Be Evaluated: 56F803
• Data Bus Width: 16 bit
• Interface Type: RS-232, JTAG
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

42
3.11 Serial Communication Interface (SCI) Timing
Baud Rate
RXD
TXD
Operating Conditions:
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
3
2
MAX
Pulse Width
data pin
Pulse Width
(Input)
RXD
Phase B
is the frequency of operation of the system clock in MHz.
1
(Input)
Phase A
Characteristic
(Input)
V
Figure 3-23 Quadrature Decoder Timing
SS
= V
P
SSA
IN
Figure 3-24 RXD Pulse Width
= 0 V, V
56F803 Technical Data, Rev. 16
Table 3-15 SCI Timing
P
IN
P
Symbol
RXD
TXD
PH
DD
BR
= V
RXD
PW
PW
P
PH
DDA
PW
= 3.0–3.6 V, T
P
PH
0.965/BR
0.965/BR
P
P
HL
Min
PH
—
P
HL
4
A
= –40° to +85°C, C
P
HL
P
(f
HL
MAX
1.04/BR
1.04/BR
Max
*2.5)/(80)
L
≤
Freescale Semiconductor
50pF, f
OP
= 80MHz
Mbps
Unit
ns
ns