7220 datasheet(133/303 Pages) RENESAS

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3-5

7220 Group User’s Manual

3.1 Electrical characteristics

Typ.

Max.

300

0.9

300

1.3

0.6

1.3

20+0.1Cb

0.6

20+0.1Cb

100

0.6

A-D Comparator characteristics

(VCC = 5 V ± 10 %, VSS = 0 V, f(XIN) = 8 MHz, Ta = –10 °C to 70 °C, unless otherwise noted)

Note: When VCC = 5 V, 1 LSB = 5/64 V.

Multi-master I2C-BUS bus line characteristics

Note: Cb = total capacitance of 1 bus line

Fig. 3.1.1 Definition diagram of timing on multi-master I2C-BUS

Limits

Unit

bits

LSB

Typ.

±1

Max.

±2

Min.

Parameter

Symbol

Test conditions

—

Resolution

Absolute accuracy

Standard clod mode High-speed clock mode

Unit

Min.

Max.

µs

4.7

4.0

4.7

4.0

250

4.7

4.0

1000

300

Parameter

Symbol

tBUF

tHD:STA

tLOW

tHD:DAT

tHIGH

tSU:DAT

tSU:STA

tSU:STO

Bus free time

Hold time for START condition

LOW period of SCL clock

Rising time of both SCL and SDA signals

Data hold time

HIGH 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

SDA

SCL

tBUF

tHD:STA

tLOW

tHD:DAT

tHIGH

tSU:DAT

tSU:STA

tSU:STO

tHD:STA

: Start condition

: Restart condition

: Stop condition

ELECTRICAL CHARACTERISTICS

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