Rainbow-electronics MAXQ2010 Bedienungsanleitung PDF herunterladen (Seite 12)

MAXQ2010

16-Bit Mixed-Signal Microcontroller with LCD

12 ______________________________________________________________________________________

C BUS CONTROLLER TIMING (ACTING AS I

C MASTER)

DVDD

= V

AVDD

= 2.7V to 3.6V, T

= -40°C to +85°C.) (Figure 4)

STANDARD MODE FAST MODE

PARAMETER SYMBOL

MIN MAX MIN MAX

UNITS

System Frequency f

SYS

0.90 3.60 MHz

Operating Frequency f

I2C

SYS

/8 f

SYS

/8 Hz

Hold Time After (Repeated)

START

HD:STA

HIGH_I2C

μs

Clock Low Period t

LOW_I2C

SYS

μs

Clock High Period t

HIGH_I2C

SYS

μs

Setup Time for Repeated START t

SU:STA

LOW_I2C

μs

Hold Time for Data t

HD:DAT

0 3.45 0 0.9 μs

Setup Time for Data t

SU:DAT

250 100 ns

SDA/SCL Fall Time t

F_I2C

300 20+ 0.1C

300 ns

SDA/SCL Rise Time t

R_I2C

1000 20+ 0.1C

300 ns

Setup Time for STOP t

SU:STO

HIGH_I2C

μs

Bus-Free Time Between STOP

and START

BUF

LOW_I2C

μs

Capacitive Load for Each Bus

Line

400 400 pF

Noise Margin at the Low Level

for Each Connected Device

(Including Hysteresis)

NL_I2C

0.1 x V

DVDD

0.1 x V

DVDD

Noise Margin at the High Level

for Each Connected Device

(Including Hysteresis)

NH_I2C

0.2 x V

DVDD

0.2 x V

DVDD

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 32 33

MAXQ2010 1

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