参数资料
型号: MPC8323E-MDS-PB
厂商: Freescale Semiconductor
文件页数: 40/82页
文件大小: 0K
描述: BOARD MODULE DEV SYSTEM 8323
标准包装: 1
类型: MPU
适用于相关产品: MPC8323
所含物品:
MPC8323E PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 4
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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