DSP56F801EVM Freescale Semiconductor, DSP56F801EVM Datasheet - Page 35

• Manufacturer Part Number: DSP56F801EVM
• Description: KIT EVALUATION FOR DSP56F801
• Manufacturer: Freescale Semiconductor

Specifications of DSP56F801EVM

• Processor To Be Evaluated: 56F801
• Data Bus Width: 16 bit
• Interface Type: RS-232
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

3.8 Quad Timer Timing
3.9 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.
Timer Inputs
Timer Outputs
3
2
MAX
Pulse Width
Pulse Width
Operating Conditions:
Operating Conditions:
Timer input period
Timer input high/low period
Timer output period
Timer output high/low period
is the frequency of operation of the system clock in MHz.
1.
2. Parameters listed are guaranteed by design.
1
Characteristic
In the formulas listed, T = clock cycle. For 80MHz operation, T = 12.5ns.
Characteristic
P
P
IN
OUT
V
V
SS
SS
Table 3-13 Timer Timing
Figure 3-23 Timer Timing
= V
= V
56F801 Technical Data, Rev. 17
Table 3-14 SCI Timing
SSA
SSA
Symbol
P
= 0 V, V
= 0 V, V
Symbol
RXD
TXD
P
P
OUTHL
P
INHL
OUT
BR
IN
PW
PW
DD
DD
= V
= V
DDA
DDA
P
4T+6
2T+3
P
Min
OUTHL
0.965/BR
0.965/BR
2T
1T
INHL
= 3.0–3.6 V, T
= 3.0–3.6 V, T
Min
—
4
1, 2
P
P
OUTHL
A
A
INHL
= –40° to +85°C, C
= –40° to +85°C, C
Max
—
—
—
—
(f
MAX
1.04/BR
1.04/BR
Max
*2.5)/(80)
Unit
L
L
ns
ns
ns
ns
≤
≤
50pF
50pF
Quad Timer Timing
Mbps
Unit
ns
ns
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