tmp19a44fda TOSHIBA Semiconductor CORPORATION, tmp19a44fda Datasheet - Page 101

• Manufacturer Part Number: tmp19a44fda
• Description: 32bit Tx System Risc
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Exceptions/Interrupts
EPC
(No.14)
6.6.2.4
EPC Register
instruction in the branch slot causes an exception/ interrupt, the address of the precedent branch instruction is
stored. )
is set, the normal operation restarts from the address set in the EPC register in executing ERET instruction.
Reading/ writing is available with the EPC register.
When an exception/ instruction other than RESET/ NMI occurs, the EPC register stores its address. (If the
When an exception/ instruction other than RESET/ NMI is generated, Status<EXL> bit is set to “1”. If “1”
The processor does not write to the EPC register when the EXL bit in the Status register is set to “1”.
bit Symbol
Read/Write
After reset
Function
bit Symbol
Read/Write
After reset
Function
bit Symbol
Read/Write
After reset
Function
bit Symbol
Read/Write
After reset
Function
15
23
31
7
14
22
30
6
TMP19A44(rev1.3) 6-51
Exception Program Counter（bit 23~16）
Exception Program Counter（bit 31~24）
13
21
29
Exception Program Counter（bit 15~8）
5
Exception Program Counter（bit 7~0）
12
20
28
4
Undefined
Undefined
Undefined
Undefined
EPC
EPC
EPC
EPC
R/W
R/W
R/W
R/W
19
27
11
3
18
26
10
2
TMP19A44
17
25
1
9
2010-04-01
16
24
0
8