Automotive PSoC
®
4: PSoC 4100
Family Datasheet
Document Number: 001-93576 Rev. *E Page 20 of 36
CSD
Digital Peripherals
The following specifications apply to the Timer/Counter/PWM peripherals in the Timer mode.
Timer/Counter/PWM
Table 14. CSD Block Specification
Spec ID# Parameter Description Min Typ Max Units
Details/
Conditions
CSD Specification
SID308 VCSD Voltage range of operation 1.71 – 5.5 V
SID309 IDAC1 DNL for 8-bit resolution –1 – 1 LSB
SID310 IDAC1 INL for 8-bit resolution –3 – 3 LSB
SID311 IDAC2 DNL for 7-bit resolution –1 – 1 LSB
SID312 IDAC2 INL for 7-bit resolution –3 – 3 LSB
SID313 SNR Ratio of counts of finger to noise. Guaranteed
by characterization
5 – – Ratio Capacitance range of 9 to
35 pF, 0.1 pF sensitivity
SID314 IDAC1_CRT1 Output current of Idac1 (8-bits) in High range – 612 – µA
SID314A IDAC1_CRT2 Output current of Idac1(8-bits) in Low range – 306 – µA
SID315 IDAC2_CRT1 Output current of Idac2 (7-bits) in High range – 304.8 – µA
SID315A IDAC2_CRT2 Output current of Idac2 (7-bits) in Low range – 152.4 – µA
Table 15. TCPWM Specifications
(Guaranteed by Characterization)
Spec ID Parameter Description Min Typ Max Units Details/Conditions
SID.TCPWM.1 ITCPWM1 Block current consumption at 3 MHz – – 45 µA
All modes
(Timer/Counter/PWM)
SID.TCPWM.2 ITCPWM2 Block current consumption at 12 MHz – – 155 µA
All modes
(Timer/Counter/PWM)
SID.TCPWM.2A ITCPWM3 Block current consumption at 48 MHz – – 650 µA
All modes
(Timer/Counter/PWM)
SID.TCPWM.3 TCPWMFREQ Operating frequency – – Fc MHz
Fc max = Fcpu.
Maximum = 24 MHz
SID.TCPWM.4 TPWMENEXT
Input Trigger Pulse Width for all
Trigger Events
2/Fc – – ns
Trigger Events can be Stop,
Start, Reload, Count,
Capture, or Kill depending
on which mode of operation
is selected.
SID.TCPWM.5 TPWMEXT Output Trigger Pulse widths 2/Fc – – ns
Minimum possible width of
Overflow, Underflow, and
CC (Counter equals
Compare value) trigger
outputs
SID.TCPWM.5A TCRES Resolution of Counter 1/Fc – – ns
Minimum time between
successive counts
SID.TCPWM.5B PWMRES PWM Resolution 1/Fc – – ns
Minimum pulse width of
PWM Output
SID.TCPWM.5C QRES Quadrature inputs resolution 1/Fc – – ns
Minimum pulse width
between Quadrature phase
inputs.