OM13005,598 NXP Semiconductors, OM13005,598 Datasheet - Page 255

• Manufacturer Part Number: OM13005,598
• Description: BOARD EVAL EM773 METER US PLUG
• Manufacturer: NXP Semiconductors
• Type: Other Power Managementr

Specifications of OM13005,598

• 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: 568-6680

NXP Semiconductors
UM10415
User manual
20.4.4.2.3 Restrictions
20.4.4.2.4 Condition flags
20.4.4.2.5 Examples
20.4.4.3.1 Syntax
20.4.4.3 LDR and STR, register offset
STR, STRB and STRH instructions store the word, least-significant byte or lower halfword
contained in the single register specified by Rt in to memory. The memory address to load
from or store to is the sum of the value in the register specified by either Rn or SP and the
immediate value imm.
In these instructions:
These instructions do not change the flags.
Load and Store with register offset.
LDR Rt, [Rn, Rm]
LDR<B|H> Rt, [Rn, Rm]
LDR<SB|SH> Rt, [Rn, Rm]
STR Rt, [Rn, Rm]
STR<B|H> Rt, [Rn, Rm]
where:
•
•
•
Rt is the register to load or store.
Rn is the register on which the memory address is based.
Rm is a register containing a value to be used as the offset.
Rt and Rn must only specify R0-R7.
imm must be between:
– 0 and 1020 and an integer multiple of four for LDR and STR
– 0 and 124 and an integer multiple of four for LDR and STR
– 0 and 62 and an integer multiple of two for LDRH and STRH
– 0 and 31 for LDRB and STRB.
The computed address must be divisible by the number of bytes in the transaction,
see
LDR
STR
using SP as the base register
using R0-R7 as the base register
Section
R4, [R7
R2, [R0,#const-struc] ; const-struc is an expression evaluating
All information provided in this document is subject to legal disclaimers.
20–20.4.3.4.
Rev. 1 — 10 September 2010
Chapter 20: Appendix EM773 ARM Cortex-M0 reference
; Loads R4 from the address in R7.
; to a constant in the range 0-1020.
UM10415
© NXP B.V. 2010. All rights reserved.
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