DSPIC33FJ12MC201TESS datasheet(205/304 Pages) MICROCHIP

205 / 304 page

DS70265E-page 205

dsPIC33FJ12MC201/202

21.0

SPECIAL FEATURES

dsPIC33FJ12MC201/202 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 and CodeGuard™ Security

• JTAG Boundary Scan Interface

• In-Circuit Serial Programming™ (ICSP™)

• In-Circuit emulation

21.1

Configuration Bits

dsPIC33FJ12MC201/202 devices provide nonvolatile

memory implementation for device configuration bits.

Refer to Section 25. “Device Configuration”

(DS70194)

the

“dsPIC33F/PIC24H

Family

Reference Manual”

, for more information on this

implementation.

The Configuration bits can be programmed (read as

‘0’), or left unprogrammed (read as ‘1’), to select vari-

ous device configurations. These bits are mapped

starting at program memory location 0xF80000.

The individual Configuration bit descriptions for the

Configuration registers are shown in Table 21-2.

Note that address 0xF80000 is beyond the user program

memory space. It belongs to the configuration memory

space (0x800000-0xFFFFFF), which can only be

accessed using table reads and table writes.

The Device Configuration register map is shown in

Table 21-1.

Note:

This data sheet summarizes the features

of the dsPIC33FJ12MC201/202 devices.

It is not intended to be a comprehensive

reference source. To complement the

information in this data sheet, refer to the

“dsPIC33F/PIC24H

Family

Reference

Manual”

. Please see the Microchip web

site (www.microchip.com) for the latest

dsPIC33F/PIC24H

Family

Reference

Manual sections.

TABLE 21-1:

DEVICE CONFIGURATION REGISTER MAP

Address

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

0xF80000 FBS

—

BSS<2:0>

BWRP

0xF80002 Reserved

—

0xF80004 FGS

—

GSS<1:0>

GWRP

0xF80006 FOSCSEL

IESO

—

—FNOSC<2:0>

0xF80008 FOSC

FCKSM<1:0>

IOL1WAY

—

OSCIOFNC POSCMD<1:0>

0xF8000A FWDT

FWDTEN WINDIS

—

WDTPRE

WDTPOST<3:0>

0xF8000C FPOR

PWMPIN

HPOL

LPOL

ALTI2C

—FPWRT<2:0>

0xF8000E FICD

Reserved(1)

JTAGEN

—

—ICS<1:0>

0xF80010 FUID0

User Unit ID Byte 0

0xF80012 FUID1

User Unit ID Byte 1

0xF80014 FUID2

User Unit ID Byte 2

0xF80016 FUID3

User Unit ID Byte 3

Legend:

— = unimplemented bit, read as ‘0’.

Note 1:

These bits are reserved for use by development tools and must be programmed as ‘1’.

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