5 and 6 Channel Capacitive Touch Sensor
Datasheet
Table 2.2 Electrical Specifications (continued)
VDD = 3V to 3.6V, TA = 0°C to 100°C, all Typical values at TA = 27°C unless otherwise noted.
CHARACTERISTIC
SYMBOL
MIN
TYP
MAX
UNIT
CONDITIONS
Capacitive Load
CLOAD
400
pF
per bus line
BC-Link Timing (CAP1006-2 only)
Clock Period
Data Hold Time
Data Setup Time
Clock Duty Cycle
tCLK
tHD:DAT
tSU:DAT
Duty
250
0
ns
ns
ns
%
30
40
Data must be valid before clock
50
60
SPI Timing (CAP1005 only)
250
Clock Period
tP
ns
ns
ns
ns
Clock Low Period
Clock High Period
tLOW
tHIGH
tRISE
0.4 x tP
0.4 x tP
0.6 x tP
0.6 x tP
0.1 x tP
Clock Rise / Fall
time
/
tFALL
Data Output Delay
Data Setup Time
Data Hold Time
tD:CLK
tSU:DAT
tHD:DAT
tSU:CS
10
ns
ns
ns
ns
20
20
0
SPI_CS# to
SPI_CLK setup time
Wake Time
tWAKE
10
20
us
SPI_CS# asserted to CLK assert
Revision 1.1 (08-05-09)
SMSC CAP1005 / CAP1006
DATA1S2HEET
SMSC [ SMSC CORPORATION ]
