PIC16F15213 datasheet(36/408 Pages) MICROCHIP

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9.1.3.2

External Unique Identifier (EUI)

The EUI data is stored at locations 810Ah to 8111h in the program memory region. This region is an optional space

for placing application specific information. The data is coded per customer requirements during manufacturing. The

EUI cannot be erased by a Bulk Erase command.

Important: Data is stored in this address range on receiving a request from the customer. The customer

may contact the local sales representative or Field Applications Engineer, and provide them the unique

identifier information that is required to be stored in this region.

9.1.3.3

Fixed Voltage Reference Data

The Fixed Voltage Reference (FVR) is a stable voltage reference, independent of VDD, with 1.024V, 2.048V or 4.096V

selectable output levels. The output of the FVR can be configured to supply a reference voltage to the following:

• ADC input channel

• ADC positive reference

For more information on the FVR, refer to the “FVR - Fixed Voltage Reference” chapter.

The DIA stores measured FVR voltages for this device in mV for the different buffer settings of 1x, 2x or 4x.

• FVRA1X stores the value of ADC FVR1 Output Voltage for 1x setting (in mV)

• FVRA2X stores the value of ADC FVR1 Output Voltage for 2x setting (in mV)

• FVRA4X stores the value of ADC FVR1 Output Voltage for 4x setting (in mV)

9.1.4

Device Configuration Information (DCI)

The Device Configuration Information (DCI) is a dedicated region in the memory that holds information about the

device, which is useful for programming and bootloader applications. The data stored in this region is read-only and

cannot be modified/erased. Refer to the table below for complete DCI table addresses and description.

Table 9-4. Device Configuration Information

Address

Name

Description

Value

Units

PIC16F15225

PIC16F15245

8200h

ERSIZ

Erase row size

Words

8201h

WLSIZ

Number of write

latches per row

Words

8202h

URSIZ

Number of user

erasable rows

256

Rows

8203h

EESIZ

Data EEPROM

memory size

Bytes

8204h

PCNT

Pin Count

14/20

Pins

9.1.4.1

DIA and DCI Access

The DIA and DCI data are read-only and cannot be erased or modified. See “NVMREG Access to DIA, DCI, User

ID, DEV/REV ID, and Configuration Words” section in the “NVM - Nonvolatile Memory Control” chapter for more

information on accessing these memory locations.

Development tools, such as device programmers and debuggers, may be used to read the DIA and DCI regions,

similar to the Device ID and Revision ID.

9.2

Data Memory Organization

The data memory is partitioned into up to 64 memory banks with 128 bytes in each bank. Each bank consists of:

• 12 core registers

PIC16F15225/45

Memory Organization

Preliminary Datasheet

DS20006389B-page 36

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