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R01UH0336EJ0102 Rev.1.02
Page 367 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 10 Safety Guardian (SGA)
(8)
SGAIRCFG0 - SGA Internal Reset Configuration Register 0
This register is used to set the generation of internal resets in response to
internal errors.
Access
This register can be read/written in 32-bit units. Writing to this register is
protected by a sequence of instructions.
Address
<SGA_base> + 8
H
Initial value
0000 0000
H
This register is initialized by a reset from any source.
Caution
The generation of an internal reset may lead to the
SGAmESSTR0.SGAmSSE006 bit (flash memory ECC error detection) and the
SGAmESSTR0.SGAmSSE007 bit (flash memory ECC error detection,
including when the error has been corrected) being set to 1. Accordingly, for
the reliable detection of ECC errors, set the SGAIRCFG0.SGAIRE006 and
SGAIRCFG0.SGAIRE007 bits to suppress internal resetting by the SGA (i.e.
setting the bits to 0) and test the error source flags in register CECCER.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
0
0
0
0
0
0
0
0
0
0
0
0
SGA
IRE
019
SGA
IRE
018
0
SGA
IRE
016
*
R
R
R
R
R
R
R
R
R
R
R
R
R/W
R/W
R
R/W
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
SGA
IRE
015
SGA
IRE
014
SGA
IRE
013
SGA
IRE
012
SGA
IRE
011
SGA
IRE
010
SGA
IRE
009
SGA
IRE
008
SGA
IRE
007
SGA
IRE
006
SGA
IRE
005
SGA
IRE
004
SGA
IRE
003
SGA
IRE
002
SGA
IRE
001
SGA
IRE
000
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Table 10-18
SGAIRCFG0 Register Contents
Bit position
Bit Name
Function
19, 18, and
16 to 0
SGAIRE019,
SGAIRE018, and
SGAIRE016 to
SGAIRE000
SGAIRE019 to SGAIRE000 correspond to the error input signals
SGATERRIN19 to SGATERRIN00.
SGARES internal reset disable/enable
0: Disabled. SGARES is not generated by the occurrence of
SGATERRINxx.
1: Enabled. SGARES is generated by the occurrence of SGATERRINxx.
Содержание V850 Series
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