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XM33C321ASPZR Datasheet(PDF) 30 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) 30 Page - Texas Instruments

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Table 6-4. Bootstrap Loader (BSL) Signal Descriptions (continued)
SIGNAL NAME
PIN
TYP
E
DESCRIPTION
PFA PIN
PZ PIN
PN PIN
PM PIN
RGZ PIN ZAW PIN YSG PIN
BSL_I2C_SDA
IOD BSL I2C data signal (SDA)
1
1
1
33
1
D3
C7
BSL_INVOKE
I
BSL invoke signal (if BSL
is enabled, must be HIGH
during BOOTRST for a
BSL entry, and LOW during
BOOTRST to prevent BSL
entry)
70
70
55
11
33
K3
E1
BSL_UART_RX
I
BSL UART receive signal
(RXD)
34
34
29
57
19
E9
N5
BSL_UART_TX
O
BSL UART transmit signal
(TXD)
33
33
28
56
18
E7
T6
Table 6-5. Comparator (COMP) Signal Descriptions
SIGNAL NAME
PIN
TYP
E
DESCRIPTION
PFA PIN
PZ PIN
PN PIN
PM PIN
RGZ PIN ZAW PIN YSG PIN
COMP0_DAC_OUT
A
COMP0 DAC output
93
93
73
25
44
E2
A5
COMP0_OUT
O
COMP0 output
22, 34
22, 34
17, 29
49, 57
13, 19
B7, E9
N5, P8
COMP1_DAC_OUT
A
COMP1 DAC output
94
94
74
26
45
D1
H6
COMP1_OUT
O
COMP1 output
16, 42
16, 42
11, 32
43, 60
22, 9
A6, F9
L9, P4
COMP0_IN0+
A
COMP0 non-inverting input
0
98
98
78
30
46
C2
E5
COMP0_IN0-
A
COMP0 inverting input 0
99
99
79
31
47
B2
B8
COMP0_IN1+
A
COMP0 non-inverting input
1
70
70
55
11
33
K3
E1
COMP0_IN1-
A
COMP0 inverting input 1
69
69
54
10
32
K4
J3
COMP0_IN2+
A
COMP0 non-inverting input
2
53
53
43
7
29
K8
K6
COMP0_IN2-
A
COMP0 inverting input 2
52
52
42
6
28
K10
N1
COMP0_IN3+
A
COMP0 non-inverting input
3
54
54
44
30
K7
N3
COMP1_IN0+
A
COMP1 non-inverting input
0
96
96
76
28
B1
B6
COMP1_IN0-
A
COMP1 inverting input 0
97
97
77
29
D2
A7
COMP1_IN1+
A
COMP1 non-inverting input
1
86
86
71
23
42
F2
F4
COMP1_IN1-
A
COMP1 inverting input 1
92
92
72
24
43
E1
G5
COMP1_IN2+
A
COMP1 non-inverting input
2
74
74
59
15
37
K1
C1
COMP1_IN2-
A
COMP1 inverting input 2
73
73
58
14
36
K2
G3
COMP1_IN3+
A
COMP1 non-inverting input
3
54
54
44
30
K7
N3
VMON0
A
Low power voltage monitor
input 0 signal
70
70
55
11
33
K3
E1
VMON1
A
Low power voltage monitor
input 1 signal
98
98
78
30
46
C2
E5
VMON2
A
Low power voltage monitor
input 2 signal
99
99
79
31
47
B2
B8
VMON3
A
Low power voltage monitor
input 3 signal
52
52
42
6
28
K10
N1
MSPM33C321A, MSPM33C3219
SLASFB6A – DECEMBER 2025 – REVISED SEPTEMBER 2026
www.ti.com
30
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Copyright © 2026 Texas Instruments Incorporated
Product Folder Links: MSPM33C321A MSPM33C3219



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