dsp56852 Freescale Semiconductor, Inc, dsp56852 Datasheet - Page 37

• Manufacturer Part Number: dsp56852
• Description: 56800e 16-bit Digital Signal Controllers Digital Signal Controller
• Manufacturer: Freescale Semiconductor, Inc

4.11 Serial Communication Interface (SCI) Timing
Freescale Semiconductor
Operating Conditions: V
MSCAN_RX
Baud Rate
RXD
TXD
CAN receive
SCI receive
SCI receive
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.
data pin
data pin
3
2
data pin
MAX
(Input)
(Input)
Pulse Width
Pulse Width
(Input)
RXD
TXD
is the frequency of operation of the system clock in MHz.
1
Characteristic
SS
= V
SSIO
= V
SSA
Figure 4-26 Bus Wake-up Detection
= 0V, V
Figure 4-24 RXD Pulse Width
Figure 4-25 TXD Pulse Width
DD
Table 4-13 SCI Timing
56852 Technical Data, Rev. 8
= 1.62-1.98V, V
Symbol
RXD
TXD
T
RXD
TXD
BR
WAKE-UP
PW
PW
PW
PW
DDIO
= V
DDA
0.965/BR
0.965/BR
= 3.0–3.6V, T
Min
—
4
A
= –40° to +120°C, C
Serial Communication Interface (SCI) Timing
(f
1.04/BR
1.04/BR
MAX
Max
)/(32)
L
≤ 50pF, f
op
Mbps
Unit
= 120MHz
ns
ns
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