7220 Datasheet, PDF (133/303 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCOMPUTER

ELECTRICAL CHARACTERISTICS
3.1 Electrical characteristics
A-D Comparator characteristics
(VCC = 5 V ± 10 %, VSS = 0 V, f(XIN) = 8 MHz, Ta = –10 °C to 70 °C, unless otherwise noted)
Symbol
Parameter
— Resolution
— Absolute accuracy
Test conditions
Limits
Unit
Min. Typ. Max.
6 _bits
0
±1
±2 _LSB
Note: When VCC = 5 V, 1 LSB = 5/64 V.
Multi-master I²C-BUS bus line characteristics
Symbol
Parameter
tBUF
tHD:STA
tLOW
tR
tHD:DAT
tHIGH
tF
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
Note: Cb = total capacitance of 1 bus line
Standard clod mode High-speed clock mode
Unit
Min. Max. Typ. Max.
4.7
1.3
µs
4.0
0.6
µs
4.7
1.3
µs
1000 20+0.1Cb 300 ^ns
0
0
0.9 ^µs
4.0
0.6
µs
300 20+0.1Cb 300 ^ns
250
100
ns
4.7
0.6
µs
4.0
0.6
µs
SDA
tBUF
P
SCL
tLOW
tR
S
tHD:STA
tSU:STO
tF
Sr
P
tHD:STA
tHD:DAT
tHIGH
tSU:DAT
tSU:STA
Fig. 3.1.1 Definition diagram of timing on multi-master I²C-BUS
S : Start condition
Sr : Restart condition
P : Stop condition
7220 Group User’s Manual
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