User's Manual

PRELIMINARY
CYBLE-214009-00
Document Number: 002-09714 Rev. ** Page 21 of 40
Digital Peripherals
Timer
Counter
IDAC1 DNL for 8-bit resolution –1 – 1 LSB
IDAC1 INL for 8-bit resolution –3 – 3 LSB
IDAC2 DNL for 7-bit resolution –1 – 1 LSB
IDAC2 INL for 7-bit resolution –3 – 3 LSB
SNR Ratio of counts of finger to noise 5 – – Ratio
Capacitance range of
9 pF to 35 pF, 0.1-pF
sensitivity. Radio is not
operating during the
scan
I
DAC1_CRT1
Output current of IDAC1 (8 bits) in High
range
–612 – µA
I
DAC1_CRT2
Output current of IDAC1 (8 bits) in Low
range
–306 – µA
I
DAC2_CRT1
Output current of IDAC2 (7 bits) in High
range
–305 – µA
I
DAC2_CRT2
Output current of IDAC2 (7 bits) in Low
range
–153 – µA
CSD Block Specifications (continued)
Parameter Description Min Typ Max Units
Details/
Conditions
Table 22. Timer DC Specifications
Parameter Description Min Typ Max Units Details/Conditions
I
TIM1
Block current consumption at 3 MHz – – 42 µA 16-bit timer
I
TIM2
Block current consumption at 12 MHz – – 130 µA 16-bit timer
I
TIM3
Block current consumption at 48 MHz – – 535 µA 16-bit timer
Table 23. Timer AC Specifications
Parameter Description Min Typ Max Units Details/Conditions
T
TIMFREQ
Operating frequency F
CLK
–48MHz
T
CAPWINT
Capture pulse width (internal) 2 × T
CLK
––ns
T
CAPWEXT
Capture pulse width (external) 2 × T
CLK
––ns
T
TIMRES
Timer resolution T
CLK
––ns
T
TENWIDINT
Enable pulse width (internal) 2 × T
CLK
––ns
T
TENWIDEXT
Enable pulse width (external) 2 × T
CLK
––ns
T
TIMRESWINT
Reset pulse width (internal) 2 × T
CLK
––ns
T
TIMRESEXT
Reset pulse width (external) 2 × T
CLK
––ns
Table 24. Counter DC Specifications
Parameter Description Min Typ Max Units Details/Conditions
I
CTR1
Block current consumption at 3 MHz – – 42
µA
16-bit counter
I
CTR2
Block current consumption at 12 MHz – – 130 µA 16-bit counter
I
CTR3
Block current consumption at 48 MHz – – 535 µA 16-bit counter