ES005 TmplMonr Requirementss
ES005A_TmplMonr
Besilened v2.0 and Released
Version: 2.0
Printed by: Nayeem Mahmud
Printed on: Friday, July 31, 2015
Generated from DOORS 9.3.0.7
Contents
1
Interface Requirements
1
1.1
Definitions
1
1.1.1
Inputs
1
1.1.2
Outputs
1
1.1.3
Internally Defined Terms
1
2
Requirements
2
2.1
Primary Functional Requirements
2
2.2
Hardware Requirements
2
2.3
Software Requirements
2
2.3.1
Functional Requirements
2
2.3.1.1
Sub Function: Temporal Monitor Signal Generation
2
2.3.1.2
Sub Function: Temporal Monitor Initialization
2
2.3.1.3
Sub Function: Temporal Monitor Run
3
2.4
Diagnostic Requirements
3
2.4.1
Temporal Monitor Init Test Fault (NTC0x040)
3
2.4.1.1
Required Debounce Strategy
3
2.4.1.2
Requirements to Perform Diagnostic Test Conditions
3
2.4.1.3
Test Condition Negative Requirements
3
2.4.1.4
Test Condition Positive Requirements
4
2.4.2
Temporal Monitor Run Fault (NTC0x041)
4
2.4.2.1
Required Debounce Strategy
4
2.4.2.2
Requirements to Perform Diagnostic Test Conditions
4
2.4.2.3
Test Condition Negative Requirements
4
2.4.2.4
Test Condition Positive Requirements
5
2.5
Manufacturing Requirements
5
Contents
ii
ID
Besilened v2.0 and Released
ES005A
1 Interface Requirements
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ES005A
1.1 Definitions
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ES005A
1.1.1 Inputs
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ES005A
PwrOutpEnaFb : A physical feedback input signal to verify that temporal monitor function is properly
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working.
ES005A
NErr: An input signal used to decide PwrOutpEna hi or low state.
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ES005A
StrtUpSt : Startup State enumeration input is used to decide when Temporal Monitor function should
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start.
ES005A
1.1.2 Outputs
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ES005A
PwrOutpEna : This physical output when driven high will enable power to the Gate Drive(s).
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ES005A
TmplMonrIninTestCmpl : An output flag to notify Temporal Monitor Initializaion test completed or
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not-completed.
ES005A
1.1.3 Internally Defined Terms
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ES005A
TmplMonrWdg : Physical square wave output used for Temporal Monitor verification.
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ES005A
SysFlt2A : An output signal generated to control the power pass of Gate Drive A.
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ES005A
SysFlt2B : An output signal generated to control the power pass of Gate Drive B.
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Page 1 of 5
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ID
Besilened v2.0 and Released
ES005A
2 Requirements
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ES005A
2.1 Primary Functional Requirements
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ES005A
The Temporal Monitor function shall detect an error of ±11% in the Primary Processor clock within
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200ms.
ES005A
The Temporal Monitor function shall provide a mechanism to store its sequence number
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(TmplMonrIninCntr) into the per-instance menory.
ES005A
2.2 Hardware Requirements
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ES005A
None
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ES005A
2.3 Software Requirements
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ES005A
2.3.1 Functional Requirements
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ES005A
2.3.1.1 Sub Function: Temporal Monitor Signal Generation
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ES005A
The Temporal Monitor function shall generate TmplMonrWdg square wave signal with the following
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characteristics.
Period = 2ms ± 0.12ms
Duty Cycle = 50 ± 30%
2V < Vmax < 5 V
-0.1 V > Vmin < 0.5 V
ES005A
The Temporal Monitor function shall generate TmplMonrWdg signal by toggling a GPIO pin from
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Temporal Monitor Software Function.
ES005A
2.3.1.2 Sub Function: Temporal Monitor Initialization
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ES005A
The Temporal Monitor function shall perform initialization test at Warm Init state once per ignition
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cycle.
ES005A
The Temporal Monitor function shall start Temporal Monitor Initialization when StrtUpSt =
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ELECGLBPRM_STRTUPSTTMPLMONININTESTSTRT_CNT_U08 & TmplMonrIninTestCmplFlg
= 1.
ES005A
The Temporal Monitor Function shall generate TmplMonrWdg for 8 periodic execution followed by a
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constant LOW value signal for 8 periodic execution as part of Temporal Monitor Initialization.
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Printed Friday, July 31, 2015
ID
Besilened v2.0 and Released
ES005A
The Temporal Monitor Function shall verify that it has control over PwrOutpEna signal by forcing a
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fault and monitoring the feedback signal.
ES005A
The Temporal Monitor function shall issue a FLASH_MODE command through SPI if re-flash is
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requested.
ES005A
The Temporal Monitor function shall issue a WD_RESTART command through SPI to get out of flash
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mode once re-programming is done.
ES005A
2.3.1.3 Sub Function: Temporal Monitor Run
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ES005A
The Temporal Monitor function shall increment the internal valid counter value by 1 if 10 subsequent
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rising edges of 2 ms ± 0.12 ms square wave pulses are present over a 20 ms moving window after the
Temporal Monitor Initialization..
ES005A
The Temporal Monitor function shall qualify TmplMonrWdg signal when the internal valid counter
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value reaches to a predefined SPI configured value.
ES005A
The Temporal Monitor function shall continue monitoring and qualifying the TmplMonrWdg signal
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during the rest of the ignition cycle.
ES005A
2.4 Diagnostic Requirements
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ES005A
2.4.1 Temporal Monitor Init Test Fault (NTC0x040)
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ES005A
2.4.1.1 Required Debounce Strategy
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ES005A
The Temporal Monitor function use the Immediate fault strategy for NTC0x040.
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ES005A
2.4.1.2 Requirements to Perform Diagnostic Test Conditions
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ES005A
The Temporal Monitor function shall perform the test condition for NTC0x040 during the Temporal
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Monitor Initialization and only once per ignition cycle.
ES005A
The Temporal Monitor function shall perform the test condition for NTC0x040 during the sequence
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number (TmplMonrIninCntr) 8 to 50.
ES005A
2.4.1.3 Test Condition Negative Requirements
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ES005A
The Temporal Monitor function shall provide a negative result for NTC0x040, when the sequence
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number is 8-10 and PwrOutpEna is not High.
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Printed Friday, July 31, 2015
ID
Besilened v2.0 and Released
ES005A
The Temporal Monitor function shall provide a negative result for NTC0x040, when the sequence
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number is 12 and PwrOutpEna is not Low.
ES005A
The Temporal Monitor function shall provide a negative result for NTC0x040, when the sequence
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number is 13-15 and PwrOutpEna is not High.
ES005A
The Temporal Monitor function shall provide a negative result for NTC0x040, when the sequence
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number is 16 and PwrOutpEna is not Low.
ES005A
The Temporal Monitor function shall provide a negative result for NTC0x040, when the sequence
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number is 17 and Watchdog State = Idle or Flash or Test Hunt or Watchdog.
ES005A
The Temporal Monitor function shall provide a negative result for NTC0x040, when the sequence
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number is 19 and Edge and Valid Counter value is not written properly.
ES005A
The Temporal Monitor function shall provide a negative result for NTC0x040, when the sequence
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number is 50 and PwrOutpEna is LOW and Watchdog State = Watchdog.
ES005A
The Temporal Monitor function shall provide a negative result for NTC0x040, when the sequence
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number is 50 and PwrOutpEna is LOW and Watchdog State is not Watchdog.
ES005A
2.4.1.4 Test Condition Positive Requirements
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ES005A
The Temporal Monitor function shall provide a positive result to the test condition for NTC 0x040
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when none of the negative result requirements are satisfied.
ES005A
2.4.2 Temporal Monitor Run Fault (NTC0x041)
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ES005A
2.4.2.1 Required Debounce Strategy
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ES005A
The Temporal Monitor function use the Immediate fault strategy for NTC0x041.
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ES005A
2.4.2.2 Requirements to Perform Diagnostic Test Conditions
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ES005A
The Temporal Monitor function shall perform the test condition for NTC0x041 in ENABLE..
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ES005A
The Temporal Monitor function shall perform the test condition for NTC0x041 when the sequesnce
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number is greater than 50.
ES005A
2.4.2.3 Test Condition Negative Requirements
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Page 4 of 5
Printed Friday, July 31, 2015
ID
Besilened v2.0 and Released
ES005A
The Temporal Monitor function shall provide a negative result for NTC0x041, when the sequence
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number is 51 PwrOutpEna is LOW and Watchdog State is Watchdog.
ES005A
The Temporal Monitor function shall provide a negative result for NTC0x041, when the sequence
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number is 51 PwrOutpEna is LOW and Watchdog State is not Watchdog.
ES005A
2.4.2.4 Test Condition Positive Requirements
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ES005A
The Temporal Monitor function shall provide a positive result to the test condition for NTC 0x041
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when none of the negative result requirements are satisfied.
ES005A
2.5 Manufacturing Requirements
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ES005A
None.
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Page 5 of 5
Printed Friday, July 31, 2015