参数资料
型号: MPC8321EVRADDCA
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 266 MHz, RISC PROCESSOR, PBGA516
封装: 27 X 27 MM, 2.25 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, PBGA-516
文件页数: 40/82页
文件大小: 1059K
代理商: MPC8321EVRADDCA
MPC8323E PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 3
Freescale Semiconductor
45
HDLC, BISYNC, Transparent, and Synchronous UART
19 HDLC, BISYNC, Transparent, and Synchronous
UART
This section describes the DC and AC electrical specifications for the high level data link control (HDLC),
BISYNC, transparent, and synchronous UART of the MPC8323E.
19.1
HDLC, BISYNC, Transparent, and Synchronous UART DC
Electrical Characteristics
Table 50 provides the DC electrical characteristics for the MPC8323E HDLC, BISYNC, transparent, and
synchronous UART protocols.
19.2
HDLC, BISYNC, Transparent, and Synchronous UART AC Timing
Specifications
Table 51 provides the input and output AC timing specifications for HDLC, BISYNC, and transparent
UART protocols.
Table 50. HDLC, BISYNC, Transparent, and Synchronous UART DC Electrical Characteristics
Characteristic
Symbol
Condition
Min
Max
Unit
Output high voltage
VOH
IOH = –2.0 mA
2.4
V
Output low voltage
VOL
IOL = 3.2 mA
0.5
V
Input high voltage
VIH
—2.0
OVDD +0.3
V
Input low voltage
VIL
–0.3
0.8
V
Input current
IIN
0 V
≤ VIN ≤ OVDD
±5
μA
Table 51. HDLC, BISYNC, and Transparent UART AC Timing Specifications1
Characteristic
Symbol2
Min
Max
Unit
Outputs—Internal clock delay
tHIKHOV
05.5
ns
Outputs—External clock delay
tHEKHOV
110
ns
Outputs—Internal clock high impedance
tHIKHOX
05.5
ns
Outputs—External clock high impedance
tHEKHOX
18
ns
Inputs—Internal clock input setup time
tHIIVKH
6—
ns
Inputs—External clock input setup time
tHEIVKH
4—
ns
Inputs—Internal clock input hold time
tHIIXKH
0—
ns
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