參數(shù)資料
型號: MPC8349EZUAJF
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 533 MHz, RISC PROCESSOR, PBGA672
封裝: 35 X 35 MM, 1.50 MM HEIGHT, 1 MM PITCH, TBGA-672
文件頁數(shù): 29/115頁
文件大?。?/td> 1228K
代理商: MPC8349EZUAJF
MPC8349E PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 5
20
Freescale Semiconductor
DUART
6DUART
This section describes the DC and AC electrical specifications for the DUART interface of the
MPC8349E.
6.1
DUART DC Electrical Characteristics
Table 14 provides the DC electrical characteristics for the DUART interface of the MPC8349E.
6.2
DUART AC Electrical Specifications
Table 15 provides the AC timing parameters for the DUART interface of the MPC8349E.
Table 15. DUART AC Timing Specifications
Table 14. DUART DC Electrical Characteristics
Parameter
Symbol
Min
Max
Unit
High-level input voltage
VIH
2OVDD + 0.3
V
Low-level input voltage
VIL
–0.3
0.8
V
Input current
(0.8V
≤V
IN ≤ 2V)
IIN
—+/- 5
A
High-level output voltage,
IOH = –100 A
VOH
OVDD – 0.2
V
Low-level output voltage,
IOL = 100 A
VOL
—0.2
V
Note:
1. Note that the symbol VIN, in this case, represents the OVIN symbol referenced in
Parameter
Value
Unit
Notes
Minimum baud rate
256
baud
Maximum baud rate
> 1,000,000
baud
1
Oversample rate
16
2
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 8th sampled 0 after the 1-to-0 transition of the start bit. Subsequent bit
values are sampled each 16th sample.
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