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9.3

High-Speed Mode

When the host sent data "00001XXX", was received XPT7603 after having to wait for the host response,

XPT7603 will enter the high-speed mode (serial rate can 3.4Mhz), until the host issued a STOP signal.

High-speed mode, the format command to read and write standard mode and fast mode is the same as the

order in writing after the STOP signal can not be made, otherwise the end of high-speed mode.

9.4

Digital Timing

Figure 8 XPT7603 Digital Interface

Table 7 timing specification

Unit

Serial

Number

Instruction

Test Condition

Min

Max

SCL Clock Frequency

Standard Mode

Fast Mode

0

0

0

0

100

400

3.4

1.7

kHz

kHz

MHz

MHz

Bus Free Time Between a STOP and Start

Condition

Standard Mode

Fast Mode

4.7

1.3

µ

s

µ

s

Hold Time (Repeated) START Condition

Standard Mode

Fast Mode

High-Speed Mode

4.0

600

160

µs

ns

ns

LOW Period of the SCL Clock

Standard Mode

Fast Mode

4.7

1.3

160

320

µs

µs

ns

ns

HIGH Period of the SCL Clock

Standard Mode

Fast Mode

4.0

600

60

120

µs

ns

ns

ns

Setup Time for a Repeated START Condition

Standard Mode

Fast Mode

High-Speed Mode

4.7

600

160

µs

ns

ns

Data Setup Time

Standard Mode

Fast Mode

High-Speed Mode

250

100

10

ns

ns

ns

Data Hold Time

Standard Mode

Fast Mode

0

0

0

0

3.45

0.9

70

150

µs

µs

ns

ns

Rise Time of SCL Signal

Standard Mode

Fast Mode

10

1000

300

40

ns

ns

ns