MPC8548CVTAQJB datasheet(54/144 Pages) FREESCALE

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MPC8548E PowerQUICC™ III Integrated Processor Hardware Specifications, Rev. 6

Freescale Semiconductor

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

—

Input low voltage level

VIL

–0.3

0.3

× OVDD

V—

Low level output voltage

VOL

00.2

× OVDD

Pulse width of spikes which must be suppressed by the

input filter

tI2KHKL

050

Input current each I/O pin (input voltage is between

0.1

× OVDD and 0.9 × OVDD(max)

–10

μA3

Capacitance for each I/O pin

—10

—

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)

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

MPC8548CVTAQJB Datasheet(PDF) 54 Page - Freescale Semiconductor, Inc

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