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| 型号： | M306NNME-XXXGP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP128 |
| 封装： | 14 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-128 |
| 文件页数： | 10/72页 |
| 文件大小： | 649K |
| 代理商： | M306NNME-XXXGP |
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Rev.2.10
Aug 25, 2006
page 16 of 67
REJ03B0061-0210
M16C/6N Group (M16C/6NL, M16C/6NN)
2. Central Processing Unit (CPU)
Under development
This document is under development and its contents are subject to change.
Figure 2.1 CPU Registers
2.1 Data Registers (R0, R1, R2, and R3)
The R0 register consists of 16 bits, and is used mainly for transfers and arithmetic/logic operations. R1 to
R3 are the same as R0.
The R0 register can be separated between high (R0H) and low (R0L) for use as two 8-bit data registers.
R1H and R1L are the same as R0H and R0L. Conversely R2 and R0 can be combined for use as a 32-bit
data register (R2R0). R3R1 is analogous to R2R0.
2.2 Address Registers (A0 and A1)
The A0 register consists of 16 bits, and is used for address register indirect addressing and address
register relative addressing. They also are used for transfers and arithmetic/logic operations. A1 is the
same as A0.
In some instructions, A1 and A0 can be combined for use as a 32-bit address register (A1A0).
2. Central Processing Unit (CPU)
Figure 2.1 shows the CPU Registers. The CPU has 13 registers. Of these, R0, R1, R2, R3, A0, A1, and FB
configure a register bank. There are two register banks.
SB
USP
ISP
b15
b0
Static Base Register
User Stack Pointer
Interrupt Stack Pointer
b19
b15
INTBL
INTBH
The upper 4 bits of INTB are INTBH and the lower 16 bits of INTB are INTBL.
b0
Interrupt Table Register
b19
PC
b0
Program Counter
R0H (R0's high bits) R0L (R0's low bits)
R1H (R1's high bits) R1L (R1's low bits)
R2
R3
b31
b15
b8 b7
b0
R2
R3
A0
A1
FB
Data Registers (1)
Address Registers (1)
Frame Base Registers (1)
NOTE:
1. These registers comprise a register bank. There are two register banks.
b15
b0
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
b15
b0
FLG
Flag Register
IPL
U
I
O
B
S
Z
D
C
b7
b8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M306NNMG-XXXGP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Renesas MCU |
| M306S0F8DGP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M306S0F8DGP#U3 | 制造商:Renesas Electronics Corporation 功能描述: |
| M306S0F8DGP-U3 | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M306S0F8GP-U3 | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
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