AM6548, AM6528, AM6526
ZHCSLA7B –DECEMBER 2019 –REVISED JUNE 2021
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7.9.3.2 Safety Signal Timing
Tables and figures provided in this section define switching characteristics for MCU_SAFETY_ERRORn and
SOC_SAFETY_ERRORn.
表7-10. MCU_SAFETY_ERRORn Switching Characteristics
see 图7-10
NO.
PARAMETER
MIN
MAX UNIT
SFTY1 tw(MCU_SAFETY_ERRORn)
Pulse width, MCU_SAFETY_ERRORn active
Delay time, ERROR CONDITION to
P*R(1) (2)
ns
SFTY2 td (ERROR_CONDITION-MCU_SAFETY_ERRORnL) MCU_SAFETY_ERRORn
active
50*P(1)
ns
(1) P = ESM functional clock.
(2) R = Error Pin Counter Pre-Load Register count value.
Internal Error Condition
(Active High)
SFTY1
SFTY2
MCU_SAFETY_ERRORn
(PWM Mode Disabled)
图7-10. MCU_SAFETY_ERRORn Switching Characteristics
表7-11. SOC_SAFETY_ERRORn Switching Characteristics
see 图7-11
NO.
PARAMETER
MIN
MAX UNIT
SFTY3 tw(SOC_SAFETY_ERRORn)
Pulse width,SOC_SAFETY_ERRORn active
Delay time, ERROR CONDITION to
P*R(1) (2)
ns
SFTY4 td (ERROR_CONDITION-SOC_SAFETY_ERRORnL) SOC_SAFETY_ERRORn
active
50*P(1)
ns
(1) P = ESM functional clock.
(2) R = Error Pin Counter Pre-Load Register count value.
Internal Error Condition
(Active High)
SFTY3
SFTY4
SOC_SAFETY_ERRORn
(PWM Mode Disabled)
图7-11. SOC_SAFETY_ERRORn Switching Characteristics
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