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AM6421 Datasheet(PDF) 53 Page - Texas Instruments

Part # AM6421
Description  AM64x Sitara™ Processors
PDF  273 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

AM6421 Datasheet(HTML) 53 Page - Texas Instruments

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Table 5-1. Pin Attributes (ALV, ANI Package) (continued)
BALL
NUMBER [1]
BALL NAME [2]
PADCONFIG Register [15]
PADCONFIG Address [16]
SIGNAL NAME [3]
MUX
MODE
[4]
TYPE
[5]
DSIS
[6]
BALL
STATE
DURING
RESET
RX/TX/PULL [7]
BALL
STATE
AFTER
RESET
RX/TX/PULL [8]
MUX
MODE
AFTER
RESET
[9]
I/O
OPERATING
VOLTAGE [10]
POWER [11]
HYS
[12]
BUFFER
TYPE [13]
PULL
UP/DOWN
TYPE [14]
B16
UART0_CTSn
PADCONFIG:
PADCONFIG142
0x000F4238
UART0_CTSn
0
I
1
Off / Off / Off
Off / Off / Off
7
1.8V / 3.3V
VDDSHV0
Yes
LVCMOS
PU/PD
SPI0_CS2
1
IO
1
ADC_EXT_TRIGGER0
2
I
0
UART2_RXD
3
I
1
TIMER_IO6
4
IO
0
SPI4_CLK
6
IO
0
GPIO1_54
7
IO
pad
EQEP0_S
8
IO
0
CP_GEMAC_CPTS0_TS_SYNC
9
O
A16
UART0_RTSn
PADCONFIG:
PADCONFIG143
0x000F423C
UART0_RTSn
0
O
Off / Off / Off
Off / Off / Off
7
1.8V / 3.3V
VDDSHV0
Yes
LVCMOS
PU/PD
SPI0_CS3
1
IO
1
UART2_TXD
3
O
TIMER_IO7
4
IO
0
SPI4_D0
6
IO
0
GPIO1_55
7
IO
pad
EQEP0_I
8
IO
0
D15
UART0_RXD
PADCONFIG:
PADCONFIG140
0x000F4230
UART0_RXD
0
I
1
Off / Off / Off
Off / Off / Off
7
1.8V / 3.3V
VDDSHV0
Yes
LVCMOS
PU/PD
SPI2_D0
2
IO
0
GPIO1_52
7
IO
pad
EQEP0_A
8
I
0
C16
UART0_TXD
PADCONFIG:
PADCONFIG141
0x000F4234
UART0_TXD
0
O
Off / Off / Off
Off / Off / Off
7
1.8V / 3.3V
VDDSHV0
Yes
LVCMOS
PU/PD
SPI2_D1
2
IO
0
GPIO1_53
7
IO
pad
EQEP0_B
8
I
0
D16
UART1_CTSn
PADCONFIG:
PADCONFIG146
0x000F4248
UART1_CTSn
0
I
1
Off / Off / Off
Off / Off / Off
7
1.8V / 3.3V
VDDSHV0
Yes
LVCMOS
PU/PD
SPI1_CS2
1
IO
1
ADC_EXT_TRIGGER1
2
I
0
PCIE0_CLKREQn
3
IO
0
UART3_RXD
4
I
1
CP_GEMAC_CPTS0_TS_SYNC
5
O
SPI4_D1
6
IO
0
GPIO1_58
7
IO
pad
EQEP1_S
8
IO
0
www.ti.com
AM6442, AM6441, AM6422, AM6421, AM6412, AM6411
SPRSP56J – JANUARY 2021 – REVISED JUNE 2026
Copyright © 2026 Texas Instruments Incorporated
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Product Folder Links: AM6442 AM6441 AM6422 AM6421 AM6412 AM6411



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