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Figure 7-11. EMUx Timing Requirements

Table 7-12. BOOTMODE Timing Requirements

see Figure 7-12

NO.

PARAMETER

MIN

MAX UNIT

RST23 tsu(BOOTMODE-PORz_OUT)

Setup time, BOOTMODE[15:00] before

PORz_OUT high (External MCU PORz event or

Software SW_MAIN_PORz)

3*S(1)

RST24 th(PORz_OUT - BOOTMODE)

Hold time, BOOTMODE[15:00] after PORz_OUT

high (External MCU PORz event, Software

SW_MAIN_PORz)

(1)

S = MCU_OSC0_XI/XO clock period

Table 7-13. PORz_OUT Switching Characteristics

see Figure 7-12

NO.

PARAMETER

MIN

MAX UNIT

RST25 td(MCU_PORzL-PORz_OUT)

Delay time, MCU_PORz active (low) to

PORz_OUT active (low)

RST26 td(MCU_PORzH-PORz_OUT)

Delay time, MCU_PORz inactive (high) to

PORz_OUT inactive (high)

RST27 tw(PORz_OUTL)

Pulse Width Minimum PORz_OUT low

(MCU_PORz, SW_MAIN_PORz)

1200

Figure 7-12. BOOTMODE Timing Requirements and PORz_OUT Switching Characteristics

7.10.3.2 Safety Signal Timing

Tables and figures provided in this section define switching characteristics for MCU_SAFETY_ERRORn.

Table 7-14. MCU_SAFETY_ERRORn Switching Characteristics

see Figure 7-13

NO.

PARAMETER

MIN

MAX UNIT

SFTY1 tc(MCU_SAFETY_ERRORn)

Cycle time minimum, MCU_SAFETY_ERRORn

(PWM mode enabled)

(P*H)+(P*L)(1) (3) (4)

AM6442, AM6441, AM6421, AM6412, AM6411

SPRSP56D – JANUARY 2021 – REVISED JULY 2022

www.ti.com

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