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AM6421 Datasheet(PDF) 90 Page - Texas Instruments |
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AM6421 Datasheet(HTML) 90 Page - Texas Instruments |
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90 / 260 page  Table 6-65. System Signal Descriptions (continued) SIGNAL NAME [1] PIN TYPE [2] DESCRIPTION [3] ALV PIN [4] GPMC0_FCLK_MUX O GPMC functional clock output selected through a mux logic R17 OBSCLK0 O Observation clock output for test and debug purposes only D17 PORz_OUT O Main Domain POR status output E17 RESETSTATz O Main Domain warm reset status output F16 RESET_REQz I Main Domain external warm reset request input E18 SYSCLKOUT0 O SYSCLK0 output from Main PLL controller (divided by 6) for test and debug purposes only C17 6.3.22.3.2 MCU Domain Table 6-66. MCU System Signal Descriptions SIGNAL NAME [1] PIN TYPE [2] DESCRIPTION [3] ALV PIN [4] MCU_EXT_REFCLK0 I External system clock input B7 MCU_OBSCLK0 O Observation clock output for test and debug purposes only C6, E10 MCU_PORz I MCU Domain cold reset B21 MCU_RESETSTATz O MCU Domain warm reset status output B13 MCU_RESETz I MCU Domain warm reset B12 MCU_SAFETY_ERRORn IO Error signal output from MCU Domain ESM A20 MCU_SYSCLKOUT0 O MCU Domain system clock output for test and debug purposes only C6 6.3.22.4 VMON Table 6-67. VMON Signal Descriptions SIGNAL NAME [1] PIN TYPE [2] DESCRIPTION [3] ALV PIN [4] VMON_1P8_MCU A Voltage monitor input for 1.8 V MCU power supply K16 VMON_1P8_SOC A Voltage monitor input for 1.8 V SoC power supply E12 VMON_3P3_MCU A Voltage monitor input for 3.3 V MCU power supply F13 VMON_3P3_SOC A Voltage monitor input for 3.3 V SoC power supply F14 VMON_VSYS A Voltage monitor input, fixed 0.45 V (+/-3%) threshold. Use with external precision voltage divider to monitor a higher voltage rail such as the PMIC input supply. K10 6.3.23 TIMER 6.3.23.1 MAIN Domain Table 6-68. TIMER Signal Descriptions SIGNAL NAME [1] PIN TYPE [2] DESCRIPTION [3] ALV PIN [4] TIMER_IO0 IO Timer Inputs and Outputs (not tied to single timer instance) C18, K18 TIMER_IO1 IO Timer Inputs and Outputs (not tied to single timer instance) B19, K19 TIMER_IO2 IO Timer Inputs and Outputs (not tied to single timer instance) A17, L21 TIMER_IO3 IO Timer Inputs and Outputs (not tied to single timer instance) B17, K21 TIMER_IO4 IO Timer Inputs and Outputs (not tied to single timer instance) C17, L20 AM6442, AM6441, AM6422, AM6421, AM6412, AM6411 SPRSP56E – JANUARY 2021 – REVISED SEPTEMBER 2022 www.ti.com 90 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: AM6442 AM6441 AM6422 AM6421 AM6412 AM6411 |
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