r5f36406cnfa Renesas Electronics Corporation., r5f36406cnfa Datasheet - Page 14

• Manufacturer Part Number: r5f36406cnfa
• Description: M16c/64c Group Renesas Mcu
• Manufacturer: Renesas Electronics Corporation.

M16C/64C Group
R01DS0016EJ0100 Rev.1.00
Feb 07, 2011
2.
Figure 2.1 shows the CPU registers. Seven registers (R0, R1, R2, R3, A0, A1, and FB) out of 13 compose a
register bank, and there are two register banks.
Figure 2.1
b31
Central Processing Unit (CPU)
Note:
1. These registers compose a register bank. There are two register banks.
CPU Registers
R2
R3
b15
IPL
INTBH is the 4 upper bits of the INTB register and INTBL
is the 16 lower bits.
b19
b19
INTBH
b15
b15
b15
b15
R0H (upper bits of R0)
R1H (upper bits of R1)
b8
b7
U
PC
I
INTBL
b8 b7
USP
ISP
FLG
SB
R2
R3
A0
A1
FB
O
R0L (lower bits of R0)
R1L (lower bits of R1)
B
S
Z
D
C
b0
b0
b0
b0
b0
b0
2. Central Processing Unit (CPU)
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 area
Processor interrupt priority level
Reserved area
Program counter
Data registers
Address registers
Frame base registers
Interrupt table register
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