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CHAPTER 3 CPU FUNCTION
User’s Manual U12688EJ4V0UM00
70
3.2
CPU Register Set
The registers of the V850E/MS1 can be classified into two categories: a general-purpose program register set and
a dedicated system register set. The size of the registers is 32 bits.
For details, refer to V850E/MS1 User’s Manual Architecture.
(1) Program register set
(2) System register set
r0
r1
r2
r3
r4
r5
r6
r7
r8
r9
r10
r11
r12
r13
r14
r15
r16
r17
r18
r19
r20
r21
r22
r23
r24
r25
r26
r27
r28
r29
r30
r31
Zero Register
Reserved for Address Generation
Interrupt Stack Pointer
Stack Pointer (SP)
Global Pointer (GP)
Text Pointer (TP)
Element Pointer (EP)
Link Pointer (LP)
PC
Program Counter
PSW
Program Status Word
ECR
Exception Cause Register
FEPC
FEPSW
Fatal Error PC
Fatal Error PSW
EIPC
EIPSW
Exception/Interrupt PC
Exception/Interrupt PSW
31
0
31
0
31
0
31
0
31
0
CTBP
CALLT Base Pointer
DBPC
DBPSW
ILGOP Caller PC
ILGOP Caller PSW
CTPC
CTPSW
CALLT Caller PC
CALLT Caller PSW
31
0
31
0
31
0
31
0
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