OM13006,598 NXP Semiconductors, OM13006,598 Datasheet - Page 290

• Manufacturer Part Number: OM13006,598
• Description: BOARD EVAL EM773 METER EU PLUG
• Manufacturer: NXP Semiconductors
• Type: Other Power Managementr

Specifications of OM13006,598

• Design Resources: Plug Meter Schematics, Gerber Files USB Dongle Schematics, Gerber Files
• Main Purpose: Power Management, Energy/Power Meter
• Embedded: Yes, MCU, 32-Bit
• Utilized Ic / Part: EM773FHN33,551
• Interface Type: USB
• Maximum Operating Temperature: + 150 C
• Operating Supply Voltage: 1.8 V to 3.6 V
• Product: Power Management Development Tools
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Primary Attributes: -
• Secondary Attributes: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: EM773, OL2381
• Other names: 568-6681

NXP Semiconductors
20.6 Cortex-M0 instruction summary
UM10415
User manual
20.5.4.4 SysTick Calibration Value Register
20.5.4.5 SysTick usage hints and tips
Table 258. SYST_CVR bit assignments
The SYST_CALIB register indicates the SysTick calibration properties. See the register
summary in
Table 259. SYST_CALIB register bit assignments
If calibration information is not known, calculate the calibration value required from the
frequency of the processor clock or external clock.
The interrupt controller clock updates the SysTick counter. If this clock signal is stopped
for low power mode, the SysTick counter stops.
Ensure software uses word accesses to access the SysTick registers.
If the SysTick counter reload and current value are undefined at reset, the correct
initialization sequence for the SysTick counter is:
Table 260. Cortex M0- instruction summary
Bits
[31:24]
[23:0]
Bits
[31]
[30]
[29:24]
[23:0]
Operation
Move
Add
1. Program reload value.
2. Clear current value.
3. Program Control and Status register.
Name
-
CURRENT
Name
NOREF
SKEW
-
TENMS
Table 20–255
All information provided in this document is subject to legal disclaimers.
Description
8-bit immediate
Lo to Lo
Any to Any
Any to PC
3-bit immediate
All registers Lo
Any to Any
Any to PC
Rev. 1 — 10 September 2010
Function
Reads as one. Indicates that no separate reference clock is provided.
Reads as one. Calibration value for the 10ms inexact timing is not known
because TENMS is not known. This can affect the suitability of SysTick
as a software real time clock.
Reserved.
Reads as zero. Indicates calibration value is not known.
for its attributes. The bit assignments are:
Function
Reserved.
Reads return the current value of the SysTick counter.
A write of any value clears the field to 0, and also clears the
SYST_CSR.COUNTFLAG bit to 0.
Chapter 20: Appendix EM773 ARM Cortex-M0 reference
Assembler
MOVS Rd, #<imm>
MOVS Rd, Rm
MOV Rd, Rm
MOV PC, Rm
ADDS Rd, Rn, #<imm>
ADDS Rd, Rn, Rm
ADD Rd, Rd, Rm
ADD PC, PC, Rm
UM10415
© NXP B.V. 2010. All rights reserved.
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