參數(shù)資料
型號(hào)： MPC8378VRANDA
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 266 MHz, MICROPROCESSOR, PBGA689
封裝： 31 X 31 MM, 2.46 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-689
文件頁數(shù)： 42/125頁
文件大?。?/td> 894K
代理商： MPC8378VRANDA
MPC8378E PowerQUICC II Pro Processor Hardware Specifications, Rev. 5
Freescale Semiconductor
23
7DUART
This section describes the DC and AC electrical specifications for the DUART interface of the MPC8378E.
7.1
DUART DC Electrical Characteristics
Table 22 provides the DC electrical characteristics for the DUART interface of the device.
7.2
DUART AC Electrical Specifications
Table 23 provides the AC timing parameters for the DUART interface of the device.
Table 22. DUART DC Electrical Characteristics
Parameter
Symbol
Min
Max
Unit
High-level input voltage
VIH
2OVDD + 0.3
V
Low-level input voltage OVDD
VIL
–0.3
0.8
V
High-level output voltage,
IOH = –100 A
VOH
OVDD – 0.2
—
V
Low-level output voltage,
IOL = 100 A
VOL
—0.2
V
Input current,
(0 V
V
IN OVDD)
IIN
—±30
A
Note:
The symbol VIN, in this case, represents the OVIN symbol referenced in Table 2.
Table 23. DUART AC Timing Specifications
Parameter
Value
Unit
Note
Minimum baud rate
256
baud
—
Maximum baud rate
> 1,000,000
baud
Oversample rate
16
—
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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