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XM33C321ASPZR Datasheet(PDF) 34 Page - Texas Instruments

Part # XM33C321ASPZR
Description  MSPM33C321x Mixed-Signal Microcontrollers
PDF  122 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

XM33C321ASPZR Datasheet(HTML) 34 Page - Texas Instruments

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Table 6-9. General Purpose Input Output Module Signal Descriptions (continued)
SIGNAL NAME
PIN
TYP
E
DESCRIPTION
PFA PIN
PZ PIN
PN PIN
PM PIN
RGZ PIN ZAW PIN YSG PIN
PC25
IO
GPIO port C input/output 25 89
89
E4
PC26
IO
GPIO port C input/output 26 90
90
F1
PC27
IO
GPIO port C input/output 27 91
91
E3
PC28
IO
GPIO port C input/output 28 14
14
7
D6
PC29
IO
GPIO port C input/output 29 37
37
F6
Table 6-10. IOMUX Signal Descriptions
SIGNAL NAME
PIN
TYP
E
DESCRIPTION
PFA PIN
PZ PIN
PN PIN
PM PIN
RGZ PIN ZAW PIN YSG PIN
WAKE
I
Input signal to wake the
device from SHUTDOWN
mode
1, 2, 3,
33, 34, 6,
69, 70
1, 2, 3,
33, 34, 6,
69, 70
1, 2, 28,
29, 3, 54,
55, 6
10, 11,
33, 34,
35, 38,
56, 57
1, 18, 19,
2, 3, 32,
33, 4
B4, C3,
C4, D3,
E7, E9,
K3, K4
C7, D6,
E1, E7,
F6, J3,
N5, T6
Table 6-11. Power Management Unit (PMU) Signal Descriptions
SIGNAL NAME
PIN
TYP
E
DESCRIPTION
PFA PIN
PZ PIN
PN PIN
PM PIN
RGZ PIN ZAW PIN YSG PIN
VBAT
VBA
T
VBAT (backup island)
supply
7
7
7
39
5
A3
F8
VCORE
PW
R
VCORE capacitor
connection
100
100
80
32
48
A1
A9, G1,
H8, L5
VDD
PW
R
VDD supply
64, 8
64, 8
49, 8
40, 9
31, 6
A4, K6
E9, J1,
U3
VSS
PW
R
VSS (ground)
63, 9
63, 9
48, 9
41, 8
MP
A2, K9
J9, L1
Table 6-12. Programming and Debug Signal Descriptions
SIGNAL NAME
PIN
TYP
E
DESCRIPTION
PFA PIN
PZ PIN
PN PIN
PM PIN
RGZ PIN ZAW PIN YSG PIN
TDI
I
TDI boundary scan signal
77
77
62
18
40
H2
B2
TDO
IO
TDO boundary scan signal
28
28
23
55
17
C9
L7
Table 6-13. Quad Serial Peripheral Interface (QSPI) Signal Descriptions
SIGNAL NAME
PIN
TYP
E
DESCRIPTION
PFA PIN
PZ PIN
PN PIN
PM PIN
RGZ PIN ZAW PIN YSG PIN
QSPI_CS0
IO
QSPI chip-select 0 signal
48, 56
48, 56
38, 46
2
24
J7, J9
P2
QSPI_CS1
IO
QSPI chip-select 1 signal
70
70
55
11
33
K3
E1
QSPI_CS2
IO
QSPI chip-select 2 signal
47
47
37
1
H10
T2
QSPI_CS3
IO
QSPI chip-select 3 signal
55
55
45
H7
M2
QSPI_IO0
IO
QSPI IO0 signal
51
51
41
5
27
J10
M6
QSPI_IO1
IO
QSPI IO1 signal
53
53
43
7
29
K8
K6
QSPI_IO2
IO
QSPI IO2 signal
52
52
42
6
28
K10
N1
QSPI_IO3
IO
QSPI IO3 signal
49
49
39
3
25
G8
U1
QSPI_SCLK
IOD QSPI clock signal
50
50
40
4
26
J8
R1
MSPM33C321A, MSPM33C3219
SLASFB6A – DECEMBER 2025 – REVISED SEPTEMBER 2026
www.ti.com
34
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Copyright © 2026 Texas Instruments Incorporated
Product Folder Links: MSPM33C321A MSPM33C3219



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