R01UH0822EJ0100 Rev.1.00
Page 239 of 1041
Jul 31, 2019
RX13T Group
15. Buses
15.3.3
Bus Error Status Register 1 (BERSR1)
MST[2:0] Bits (Bus Master Code)
These bits indicate the bus master that accessed a bus when a bus error occurred.
15.3.4
Bus Error Status Register 2 (BERSR2)
Address(es): 0008 1308h
b7
b6
b5
b4
b3
b2
b1
b0
—
MST[2:0]
—
—
TO
IA
Value after reset:
0
0
0
0
0
0
0
0
Bit
Symbol
Bit Name
Description
R/W
b0
Illegal Address Access
0: Illegal address access not made
1: Illegal address access made
R
b1
Timeout
0: Timeout not generated
1: Timeout generated
R
b3, b2
—
Reserved
These bits are read as 0. Writing to these bits has no effect.
R
b6 to b4
Bus Master Code
b6 b4
0 0 0: CPU
0 0 1: Reserved
0 1 0: Reserved
0 1 1: DTC
1 0 0: Reserved
1 0 1: Reserved
1 1 0: Reserved
1 1 1: Reserved
R
b7
—
Reserved
This bit is read as 0. Writing to this bit has no effect.
R
Address(es): 0008 130Ah
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
ADDR[12:0]
—
—
—
Value after reset:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit
Symbol
Bit Name
Description
R/W
b2 to b0
—
Reserved
These bits are read as 0. Writing to these bits has no effect.
R
b15 to b3
Bus Error
Occurrence Address
The upper 13 bits of an address that was accessed when a bus error
occurred (in units of 512 Kbytes).
R