參數(shù)資料
型號(hào): M30240MC-XXXFP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, MICROCONTROLLER, PQFP80
封裝: 0.80 MM PITCH, PLASTIC, QFP-80
文件頁(yè)數(shù): 115/125頁(yè)
文件大小: 753K
代理商: M30240MC-XXXFP
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Mitsubishi microcomputers
M16C / 24 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
11
CONFIDENTIAL
Preliminary Specifications REV.B
Specifications in this manual are tentative and subject to change
Central Processing Unit (CPU)
2.0 Operation of Functional Blocks
The M16C/24 group accommodates certain units in a single chip. These units include ROM and RAM
to store instructions and data, and the central processing unit (CPU) to execute arithmetic/logic
operations. Also included are peripheral units such as USB, timers, serial I/O, DMAC, CRC calculation
circuit, A-D converter, and I/O ports.
The following explains each unit.
2.1 Central Processing Unit (CPU)
The CPU has a total of 13 registers shown in Figure 5. Seven of these registers (R0, R1, R2, R3, A0,
A1, and FB) come in two sets; therefore, these have two register banks.
Figure 5:
Central processing unit register
(1) Data registers (R0, R0H, R0L, R1, R1H, R1L, R2, and R3)
Data registers (R0, R1, R2, and R3) are configured with 16 bits, and are used primarily for transfer
and arithmetic/logic operations.
H
L
b15
b8 b7
b0
R0(Note)
H
L
b15
b8 b7
b0
R1(Note)
R2(Note)
b15
b0
R3(Note)
b15
b0
A0(Note)
b15
b0
A1(Note)
b15
b0
FB(Note)
b15
b0
Data
registers
Address
registers
Frame base
registers
b15
b0
b15
b0
b15
b0
b15
b0
b19
b0
b19
H
L
Program counter
Interrupt table
register
User stack pointer
Interrupt stack
pointer
Static base
register
Flag register
PC
INTB
USP
ISP
SB
FLG
Note: These registers consist of two register banks.
C
D
Z
S
B
O
I
U
IPL
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