mpc8343e Freescale Semiconductor, Inc, mpc8343e Datasheet - Page 20

• Manufacturer Part Number: mpc8343e
• Description: Mpc8343e Powerquicc
• Manufacturer: Freescale Semiconductor, Inc

DUART
7
This section describes the DC and AC electrical specifications for the DUART interface of the
MPC8343E.
7.1
Table 17
7.2
Table 18
20
Minimum baud rate
Maximum baud rate
Oversample rate
Notes:
1. Actual attainable baud rate will be limited by the latency of interrupt processing.
2. The middle of a start bit is detected as the 8
High-level input voltage
Low-level input voltage
Input current (0.8 V ≤ V
High-level output voltage, I
Low-level output voltage, I
sampled each 16
DUART
provides the DC electrical characteristics for the DUART interface of the MPC8343E.
provides the AC timing parameters for the DUART interface of the MPC8343E.
DUART DC Electrical Characteristics
DUART AC Electrical Specifications
MPC8343E PowerQUICC™ II Pro Integrated Host Processor Hardware Specifications, Rev. 11
th
sample.
IN
≤ 2 V)
OL
OH
Parameter
= 100 μA
= –100 μA
Table 17. DUART DC Electrical Characteristics
Parameter
Table 18. DUART AC Timing Specifications
th
sampled 0 after the 1-to-0 transition of the start bit. Subsequent bit values are
Symbol
V
V
V
V
I
OH
IN
OL
IH
IL
OV
DD
–0.3
Min
—
—
>1,000,000
2
– 0.2
Value
256
16
Freescale Semiconductor
OV
DD
Max
0.8
0.2
±5
—
baud
baud
Unit
+ 0.3
—
Notes
Unit
μA
V
V
V
V
2
1