2 修订历史记录
Changes from C Revision (March 2017) to D Revision
- Added footnote recommending not to pull open-drain GPIOs up to an always-on voltage domainGo
- Clarified that LDO1 and LDO2 input pins are not included in this minimum recommended operating voltage. See Electrical Characteristics: LDO Regulators for more information. Go
- Added LDO and SMPS output capacitance footnoteGo
- Added SMPS Output voltage slew rate description Go
- Changed the comparison condition from VCCA to VCC_SENSE in the Embedded Power Controller sectionGo
- Added typical debounce time from POWERHOLD to the enable of the first rail in the power sequence. Go
- Changed discharge resistance to match electrical characteristics tableGo
- Changed description of clock dithering from internal to external onlyGo
- Added information about shutdown timing during short circuit detectionGo
- Updated POWERGOOD block diagram and description to clarify dual phase operation. Go
- Added notes to the SMPS Controls for DVS imageGo
- Added the equation to convert GPADC code to internal die temperature in the 12-Bit Sigma-Delta General-Purpose ADC (GPADC) sectionGo
- Additional description of VSYS_LO functionality Go
- Added details on identifying device version. Go
- SMPS and LDO output capacitance specification further explained Go
- Added design considerations for VCCA capacitance to support loss of powerGo
- Corrected 9-Vpp with 7V absolute maximum specification in the Layout Guidelines sectionGo
- Updated requirements relating to measurement of high-side and low-side FETs in the Layout Guidelines sectionGo
- Updated images and description on differential measurements across high-side and low-side FETs Go
Changes from B Revision (November 2015) to C Revision
- 首次公开发布的完整数据表Go
- Added recommendation for external pulldown resistor on the LDOVRTC_OUT pin in the Pin Attributes tableGo
- Added OTP to the PU/PD selection for GPIO_1 as NRESWARM in the Signal Descriptions table Go
- Changed the caption of the SMPS Efficiency For SMPS1 and SMPS 2 in Dual-Phase PWM Mode graph to SMPS Load Regulation for SMPS1 and SMPS2 Single-Phase PWM Mode in the Typical Characteristics sectionGo
- Added the SMPS Load regulation for SMPS3, PWM Mode graph to the Typical Characteristics sectionGo
- Changed single-phase to dual-phase and increased the output current to 7 A in the SMPS Load Regulation for SMPS12 graph in the Typical Characteristics sectionGo
- Changed the debounce for PWRON to N/A in the ON Requests tableGo
- Added description of VIO power-up timing in the Device Power Up Timing sectionGo
- Changed the description of the LDOVRTC when in the BACKUP and OFF states and added a note in the LDOVRTC section Go
- Added the note and pulldown equations to the System Voltage Monitoring sectionGo
- Changed the SMPS1 voltage, SMPS2 voltage, and LDO2 voltage in the Design Parameters table Go
- Changed 静电放电注意事项声明Go
Changes from A Revision (November 2015) to B Revision
- Added statement to the Current Monitoring and Short Circuit Detection section that the SMPS_SHORT_REGISTER bit will keep a resource off until it is cleared Go
Changes from * Revision (July 2015) to A Revision
- Deleted the PPU type and changed the connection from floating to VRTC for the GPIO_1 pin when used only as an input with the secondary function as NRESWARM Go
- Updated Max value of Device Off Mode Current Consumption from 45 µA to 55 µA Go
- Changed the units for the x axis from mA to A in graphs D002 to D008 in the Typical Characteristics sectionGo
- Added register names for the GPADC channel 3 D1 & D2 trim when HIGH_VCC_SENSE = 1Go