BU21026MUV Datasheet, PDF (7/23 Pages) Rohm – 4-wire Resistive Touch Screen Controller

BU21026MUV
Power on Reset Timing Chart
1.65～3.60V
VDD
1.4V
0.2V
0V
t_{F_VDD}
t_{OFF_VDD}
t_{R_VDD}
t_RDY
(Unless otherwise specified Tj=25[℃], VDD=3.00[V], GND=0.00[V])
PARAMETER
Off period of VDD
Rise time for VDD
Fall time for VDD
Ready time for device
SYMBOL
tOFF_VDD
tR_VDD
tF_VDD
tRDY
MIN.
0.3
10
0.5
-
RATING
TYP.
-
-
-
-
MAX.
-
100
-
2
UNIT CONDITION
s
us
ms
ms
2-wire Serial Interface Timing Chart
tHD_STA
tSU_DAT
tHD_DAT
tSU_STA
tHD_STA
tSU_STO
tBUF
SDA
tLOW
tHIGH
tR
tF
SCL
START
CONDITION
(Unless otherwise specified Tj=25[℃], VDD=3.00[V], GND=0.00[V])
PARAMETER
SCL clock frequency
Hold time for (repeated) START condition
Low period of SCL
High period of SCL
Setup time for repeated START condition
Data hold time
Data setup time
Rise time for both SCL and SDA
Fall time for both SCL and SDA
Setup time for STOP condition
Bus free time between a STOP and START condition
SYMBOL
fSCL
tHD_STA
tLOW
tHIGH
tSU_STA
tHD_DAT
tSU_DAT
tR
tF
tSU_STO
tBUF
MIN.
-
0.6
1.3
0.6
0.6
0
100
20
20
0.6
1.3
REPEATED
START
CONDITION
RATING
TYP.
-
-
-
-
-
-
-
-
-
-
-
MAX.
400
-
-
-
-
0.9
-
300
300
-
-
STOP
CONDITION
START
CONDITION
UNIT
KHz
us
us
us
us
us
ns
ns
ns
us
us
CONDITION
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TSZ22111 • 15 • 001
7/19
TSZ02201-0L5L0FF00890-1-2
4.Aug.2016 Rev.001