參數(shù)資料
型號： MPC8313CZQAGDA
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 400 MHz, MICROPROCESSOR, PBGA516
封裝： 27 X 27 MM, 2.25 MM HEIGHT, 1 MM PITCH, TEPBGAII-516
文件頁數(shù)： 51/100頁
文件大小： 1247K
代理商： MPC8313CZQAGDA
MPC8313E PowerQUICC II Pro Processor Hardware Specifications, Rev. 3
54
Freescale Semiconductor
I
2C
13 I2C
This section describes the DC and AC electrical characteristics for the I2C interface.
13.1
I2C DC Electrical Characteristics
Table 49 provides the DC electrical characteristics for the I2C interface.
13.2
I2C AC Electrical Specifications
Table 50 provides the AC timing parameters for the I2C interface.
Table 49. I2C DC Electrical Characteristics
At recommended operating conditions with NVDD of 3.3 V ± 0.3 V.
Parameter
Symbol
Min
Max
Unit
Notes
Input high voltage level
VIH
0.7
× NVDD
NVDD + 0.3
V
Input low voltage level
VIL
–0.3
0.3
× NVDD
V
Low level output voltage
VOL
00.2
× NVDD
V1
Output fall time from VIH(min) to VIL(max) with a bus
capacitance from 10 to 400 pF
tI2KLKV
20 + 0.1
× CB
250
ns
2
Pulse width of spikes which must be suppressed by
the input filter
tI2KHKL
050
ns
3
Capacitance for each I/O pin
CI
—10
pF
Input current, (0 V
≤ VIN ≤ NVDD)IIN
—± 5
μA4
Notes:
1. Output voltage (open drain or open collector) condition = 3 mA sink current.
2. CB = capacitance of one bus line in pF.
3. Refer to the
MPC8313E PowerQUICC II Pro Integrated Processor Family Reference Manual, for information on the digital
filter used.
4. I/O pins obstruct the SDA and SCL lines if NVDD is switched off.
Table 50. I2C AC Electrical Specifications
All values refer to VIH (min) and VIL (max) levels (see Table 49).
Parameter
Symbol1
Min
Max
Unit
SCL clock frequency
fI2C
0400
kHz
Low period of the SCL clock
tI2CL
1.3
—
μs
High period of the SCL clock
tI2CH
0.6
—
μs
Setup time for a repeated START condition
tI2SVKH
0.6
—
μs
Hold time (repeated) START condition (after this period, the first clock
pulse is generated)
tI2SXKL
0.6
—
μs
Data setup time
tI2DVKH
100
—
ns
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