参数资料
型号: MPC8545EVUATGA
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 1200 MHz, MICROPROCESSOR, CBGA783
封装: 29 X 29 MM, 1 MM PITCH, FLIP CHIP, LEAD FREE, CERAMIC, BGA-783
文件页数: 93/142页
文件大小: 1504K
代理商: MPC8545EVUATGA
MPC8548E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 5
54
Freescale Semiconductor
I
2C
Figure 32 provides the boundary-scan timing diagram.
Figure 32. Boundary-Scan Timing Diagram
13 I2C
This section describes the DC and AC electrical characteristics for the I2C interfaces of the MPC8548E.
13.1
I2C DC Electrical Characteristics
Table 45 provides the DC electrical characteristics for the I2C interfaces.
Table 45. I2C DC Electrical Characteristics
Parameter
Symbol
Min
Max
Unit
Notes
Input high voltage level
VIH
0.7
× OVDD
OVDD +0.3
V
Input low voltage level
VIL
–0.3
0.3
× OVDD
V—
Low level output voltage
VOL
00.2
× OVDD
V1
Pulse width of spikes which must be suppressed by the
input filter
tI2KHKL
050
ns
2
Input current each I/O pin (input voltage is between
0.1
× OVDD and 0.9 × OVDD(max)
II
–10
10
μA3
Capacitance for each I/O pin
CI
—10
pF
Notes:
1. Output voltage (open drain or open collector) condition = 3 mA sink current.
2. Refer to the
MPC8548E PowerQUICC III Integrated Processor Family Reference Manual, for information on the digital filter
used.
3. I/O pins will obstruct the SDA and SCL lines if OVDD is switched off.
VM = Midpoint Voltage (OVDD/2)
VM
tJTDVKH
tJTDXKH
Boundary
Data Outputs
Boundary
Data Outputs
JTAG
External Clock
Boundary
Data Inputs
Output Data Valid
tJTKLDX
tJTKLDZ
tJTKLDV
Input
Data Valid
Output Data Valid
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