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| 型号： | R5F21388EKFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | FLASH, 20 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80 |
| 文件页数： | 15/48页 |
| 文件大小： | 484K |
| 代理商： | R5F21388EKFP |
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R8C/38E Group, R8C/38F Group, R8C/38G Group, R8C/38H Group
2. Central Processing Unit (CPU)
REJ03B0248-0010 Rev.0.10
Apr 17, 2008
Page 20 of 44
Under development Preliminary specification
Specifications in this manual are tentative and subject to change.
2.
Central Processing Unit (CPU)
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
CPU Registers
R2
b31
b15
b8b7
b0
Data registers (1)
Address registers (1)
R3
R0H (high-order of R0)
R2
R3
A0
A1
INTBH
b15
b19
b0
INTBL
FB
Frame base register (1)
The 4 high order bits of INTB are INTBH and
the 16 low order bits of INTB are INTBL.
Interrupt table register
b19
b0
USP
Program counter
ISP
SB
User stack pointer
Interrupt stack pointer
Static base register
PC
FLG
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
C
IPL
D
Z
S
B
O
I
U
b15
b0
b15
b0
b15
b0
b8
b7
Note:
1. These registers comprise a register bank. There are two register banks.
R1H (high-order of R1)
R0L (low-order of R0)
R1L (low-order of R1)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| R5F21388MDFD | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:The R8C/38M Group has data flash (1 KB × 4 blocks) with the background operation |
| R5F21388MDFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:The R8C/38M Group has data flash (1 KB × 4 blocks) with the background operation |
| R5F21388MDFP#30 | 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 64KB FLASH 80LQFP |
| R5F21388MDFP#V0 | 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 64KB FLASH 80LQFP |
| R5F21388MDXXXFD | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:The R8C/38M Group has data flash (1 KB × 4 blocks) with the background operation |
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