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PSOC4100 数据表(PDF) 21 Page - Cypress Semiconductor |
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PSOC4100 数据表(HTML) 21 Page - Cypress Semiconductor |
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21 / 37 page ![]() Automotive PSoC® 4: PSoC 4100 Family Datasheet Document Number: 001-93576 Rev. *F Page 21 of 37 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. |
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