R5F21346ZJFP RENESAS [Renesas Technology Corp], R5F21346ZJFP Datasheet - Page 20
R5F21346ZJFP
Manufacturer Part Number
R5F21346ZJFP
Description
RENESAS MCU
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.R5F21346ZJFP.pdf
(70 pages)
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Under development
R8C/34W Group, R8C/34X Group, R8C/34Y Group, R8C/34Z Group
REJ03B0312-0010 Rev.0.10
Apr 09, 2010
2.
Figure 2.1 shows the CPU Registers. The CPU contains 13 registers. R0, R1, R2, R3, A0, A1, and FB configure a
register bank. There are two sets of register bank.
Figure 2.1
b31
Central Processing Unit (CPU)
Note:
1. These registers comprise a register bank. There are two register banks.
Preliminary document
Specifications in this document are tentative and subject to change.
CPU Registers
R3
R2
b15
IPL
b19
b19
INTBH
The 4 high order bits of INTB are INTBH and
the 16 low order bits of INTB are INTBL.
b15
b15
b15
b15
R0H (high-order of R0)
R1H (high-order of R1)
b8
U
b7
PC
I
INTBL
USP
FLG
ISP
FB
SB
R2
R3
A1
b8b7
A0
O
R0L (low-order of R0)
R1L (low-order of R1)
B
S
Z
D
C
b0
b0
b0
b0
b0
b0
Frame base register
Address registers
Data registers
User stack pointer
Interrupt stack pointer
Static base register
Flag register
Carry flag
Debug flag
Zero flag
Sign flag
Register bank select flag
Overflow flag
Interrupt enable flag
Stack pointer select flag
Reserved bit
Processor interrupt priority level
Reserved bit
Interrupt table register
Program counter
2. Central Processing Unit (CPU)
(1)
(1)
(1)
Page 20 of 67
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