Renesas PCA7401 Información técnica descargar pdf (Pagina 89)

MITSUBISHI MICROCOMPUTERS

M37270MF-XXXSP

M37270EF-XXXSP, M37270EFSP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER

and ON-SCREEN DISPLAY CONTROLLER

A-D CONVERTER CHARACTERISTICS

= 5 V ± 10 %, V

= 0 V, f(X

) = 8 MHz, T

= –10 °C to 70 °C, unless otherwise noted)

Resolution

Non-linearity error

Differential non-linearity error

Zero transition error

Full-scale transition error

Conversion time

Reference voltage

Ladder resistor

Analog input current

Max.

±2

±0.9

12.5

VCC

VREF

bits

LSB

µs

kΩ

Min.

12.25

Limits

Typ.

UnitTest conditions

Parameter

Symbol

—

VFST

TCONV

VREF

RLADDER

VIA

VCC = 5.12V

IOL (SUM) = 0mA

VCC = 5.12V

MULTI-MASTER I

C-BUS BUS LINE CHARACTERISTICS

Bus free time

Hold time for START condition

“L” period of SCL clock

Rising time of both SCL and SDA signals

Data hold time

“H” period of SCL clock

Falling time of both SCL and SDA signals

Data set-up time

Set-up time for repeated START condition

Set-up time for STOP condition

tBUF

tHD:STA

tLOW

tHD:DAT

tHIGH

tSU:DAT

tSU:STA

tSU:STO

Max.

1000

300

Min.

1.3

0.6

1.3

20+0.1Cb

0.6

20+0.1Cb

100

0.6

Max.

300

0.9

300

µs

Unit

Standard clock mode High-speed clock mode

ParameterSymbol

Note: Cb = total capacitance of 1 bus line

Fig. 98. Definition diagram of timing on multi-master I

C-BUS

Min.

4.7

4.0

4.7

4.0

250

4.7

4.0

SDA

SCL

tBUF

tHD:STA

tLOW

tHD:DAT tHIGH

tSU:DAT tSU:STA

tSU:STO

tHD:STA

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