EM783 datasheet(13/58 Pages) NXP

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EM783

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Product data sheet

Rev. 2 — 17 January 2014

13 of 58

NXP Semiconductors

EM783

Energy metering IC; 32 kB flash, 8 kB SRAM, 4 kB EEPROM

Functional description

7.1 ARM Cortex-M0 processor

The ARM Cortex-M0 is a general purpose, 32-bit microprocessor, which offers high

performance and very low power consumption.

7.2 On-chip flash program memory

The EM783 contains up to 32 kB of on-chip flash program memory.

7.3 On-chip EEPROM data memory

The EM783 contains up to 4 kB of on-chip EEPROM data memory.

Remark: The top 64 bytes of the 4 kB EEPROM are reserved and cannot be written to.

7.4 On-chip SRAM

The EM783 contain a total of 8 kB, 4 kB, or 2 kB on-chip static RAM data memory.

7.5 Memory map

The EM783 incorporate several distinct memory regions, shown in the following figures.

Figure 3 shows the overall map of the entire address space from the user program

viewpoint following reset. The interrupt vector area supports address remapping.

The AHB peripheral area is 2 MB in size, and is divided to allow for up to 128 peripherals.

The APB peripheral area is 512 kB in size and is divided to allow for up to 32 peripherals.

Each peripheral of either type is allocated 16 kB of space. This space allows simplifying

the address decoding for each peripheral.

EM783 Datasheet(PDF) 13 Page - NXP Semiconductors