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R01UH0336EJ0102 Rev.1.02
Page 347 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 10 Safety Guardian (SGA)
Clock supply
All SGA provide one clock input.
Interrupts
The SGA can generate the following interrupt requests.
I/O signals
The error input signals of the SGA are listed in the following table.
Table 10-3
SGA Clock Supply
SGA Area
SGA Clock
Connected to
SGA, SGAM,
SGAC
PCLK
Clock controller
Table 10-4
SGA Interrupt Requests
SGA Signal
Function
Connected to
SGATI
SGA interrupt
Interrupt controller INTISG
Table 10-5
SGA Error Input Signals (1/2)
SGA Signal
Function
Connected to
SGATERRIN0
CLMA0 error input
OSC_ERR
SGATERRIN1
CLMA1 error input
PLL_ERR
SGATERRIN2
CLMA2 error input
ROSC_ERR
SGATERRIN3
WDTA error input
WDTA_ERR
SGATERRIN4
LVI reset input
LVI_RES
SGATERRIN5
Compare unit error input
CMP_ERR
SGATERRIN6
Flash memory ECC error detection
FLASH_ED
SGATERRIN7
Flash memory ECC error detection (and correction)
FLASH_EC
SGATERRIN8
RAM ECC error detection
IRAM_ED
SGATERRIN9
RAM ECC error detection (and correction)
IRAM_EC
SGATERRIN10
Flash cache RAM ECC error detection
FCACHE_RAM_ED2
SGATERRIN11
Flash cache RAM ECC error detection
FCACHE_RAM_ED1
SGATERRIN12
Flash cache TAG ECC error detection
FCACHE_TAG_ED2
SGATERRIN13
Flash cache TAG ECC error detection
FCACHE_TAG_ED1
SGATERRIN14
CAN ECC error detection
CAN_ED
SGATERRIN 15 to
SGATERRIN 17
Reserved
Reserved
SGATERRIN18
Unintentional enabling of self-diagnostic BIST
ET_BIST_ENABLE
*
1
SGATERRIN19
Unintentional enabling of self-diagnostic BIST
ET_BIST_ENABLE
*
1
SGATERRIN 20 to
SGATERRIN 31
Reserved
Reserved
SGATERRIN32
Unintentional activation of code flash programming
mode
FRB_PRG_ENABLE
SGATERRIN33
Unintentional prohibition of CLMA0
CLM0_DISABLE
SGATERRIN34
Unintentional prohibition of CLMA1
CLM1_DISABLE
SGATERRIN35
Unintentional prohibition of CLMA2
CLM2_DISABLE
SGATERRIN36
Unintentional enabling of self-diagnostic BIST
ET_BIST_ENABLE
*
1