XM33C321ASPZR datasheet(92/122 Pages) TI2

92 / 122 page

Table 8-24. BSL Pin Requirements and Functions (continued)

DEVICE SIGNAL

CONNECTION

BSL FUNCTION

BSL_INVOKE

Optional

Active-high digital input used to start the BSL

during boot

NRST

Optional

Active-low reset pin used to trigger a reset

and subsequent check of the invoke signal

(BSL_invoke)

For a complete description of the BSL functionality and command set, see the MSPM33C3x Bootloader User's

Guide.

8.19 Device Factory Constants

All devices include a memory-mapped FACTORY region which provides read-only data describing the

capabilities of a device as well as any factory-provided trim information for use by application software. Please

refer to Factory Constants chapter of the MSPM33C3x 160-MHz Microcontrollers Technical Reference Manual

for more information.

Table 8-25. DEVICEID

DEVICEID address is 0x8011.1004, PARTNUM is bit 12 to 27, MANUFACTURER is bit 1 to 11.

Device

PARTNUM

MANUFACTURER

MSPM33C321A, MSPM33C3219

0xBBBC

0x17

Table 8-26. USERID

USERID address is 0x8011.1008, PART is bit 0 to 15, VARIANT is bit 16 to 23

Device

PART

VARIANT

MSPM33C321ASPZR

0x43B6

0x10

MSPM33C321ASPFAR

0x43B6

0x11

MSPM33C321ASPNR

0x43B6

0x12

MSPM33C321ASPMR

0x43B6

0x13

MSPM33C321ASRGZR

0x43B6

0x14

MSPM33C321ASZAWR

0x43B6

0x15

MSPM33C321ASYSGR

0x43B6

0x16

MSPM33C3219SPZR

0xC637

0x27

MSPM33C3219SPFAR

0xC637

0x28

MSPM33C3219SPNR

0xC637

0x29

MSPM33C3219SPMR

0xC637

0x30

MSPM33C3219SRGZR

0xC637

0x31

MSPM33C3219SYSGR

0xC637

0x32

8.20 Identification

Revision and Device Identification

The hardware revision and device identification values are stored in the memory-mapped FACTORY region,

refer to Device Factory Constants section, which provides read-only data describing the capabilities of a device

as well as any factory-provided trim information for use by application software. Refer to Factory Constants

chapter of the MSPM33C3x 160-MHz Microcontrollers Technical Reference Manual for more information.

The device revision and identification information are also included as part of the top-side marking on the device

package. The device-specific errata sheet describes these markings (see Section 10.4)

MSPM33C321A, MSPM33C3219

SLASFB6A – DECEMBER 2025 – REVISED SEPTEMBER 2026

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