参数资料
型号: MPC8306VMABDCA
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 133 MHz, RISC PROCESSOR, PBGA369
封装: 19 X 19 MM, 1.61 MM HEIGHT, 0.80 MM PITCH, LEAD FREE, MAPBGA-369
文件页数: 30/76页
文件大小: 474K
代理商: MPC8306VMABDCA
MPC8306 PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 0
36
Freescale Semiconductor
DUART
12 DUART
This section describes the DC and AC electrical specifications for the DUART interface of the MPC8306.
12.1
DUART DC Electrical Characteristics
Table 34 provides the DC electrical characteristics for the DUART interface of the MPC8306.
12.2
DUART AC Electrical Specifications
Table 35 provides the AC timing parameters for the DUART interface of the MPC8306.
Table 34. 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 AVOH
OVDD –0.2
V
Low-level output voltage, IOL = 100 AVOL
—0.2
V
Input current (0 V
VIN OVDD)1
IIN
—±5
A
Note:
1. Note that the symbol VIN, in this case, represents the OVIN symbol referenced in Table 1 and Table 2.
Table 35. DUART AC Timing Specifications
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 is 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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