PIC24F04KA201 datasheet(165/224 Pages) MICROCHIP

165 / 224 page

Preliminary

DS39937B-page 163

PIC24F04KA201 FAMILY

23.0

SPECIAL FEATURES

PIC24F04KA201 family devices include several

features intended to maximize application flexibility and

reliability, and minimize cost through elimination of

external components. These are:

• Flexible Configuration

• Watchdog Timer (WDT)

• Code Protection

• In-Circuit Serial Programming™ (ICSP™)

• In-Circuit Emulation

23.1

Configuration Bits

The Configuration bits can be programmed (read as ‘0’),

or left unprogrammed (read as ‘1’), to select various

device configurations. These bits are mapped starting at

program memory location, F80000h. A complete list is

provided in Table 23-1. A detailed explanation of the

various bit functions is provided in Register 23-1 through

The address, F80000h, is beyond the user program

memory space. In fact, it belongs to the configuration

memory space (800000h-FFFFFFh), which can only be

accessed using table reads and table writes.

TABLE 23-1:

CONFIGURATION REGISTERS

LOCATIONS

FGS: GENERAL SEGMENT CONFIGURATION REGISTER

Note:

This data sheet summarizes the features

of this group of PIC24F devices. It is not

intended to be a comprehensive reference

source. For more information on the

Watchdog

Timer,

High-Level

Device

Integration and Programming Diagnostics,

refer to the individual sections of the

“PIC24F

Family

Reference

Manual”

provided below

• Section 9. “Watchdog Timer (WDT)”

(DS39697)

• Section 36. “High-Level Integration

with Programmable High/Low-Voltage

Detect (HLVD)”

(DS39725)

• Section 33. “Programming and

Diagnostics”

(DS39716)

Configuration

Address

FGS

F80004

FOSCSEL

F80006

FOSC

F80008

FWDT

F8000A

FPOR

F8000C

FICD

F8000E

FDS

F80010

U-0

R/C-1

—

GSS0

GWRP

bit 7

bit 0

Legend:

R = Readable bit

C = Clearable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 7-2

Unimplemented:

Read as ‘0’

bit 1

GSS0:

General Segment Code Flash Code Protection bit

= No protection

= Standard security enabled

bit 0

GWRP

: General Segment Code Flash Write Protection bit

= General segment may be written

= General segment is write-protected

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