參數(shù)資料
型號: M37735S4LHP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MICROCONTROLLER, PQFP80
封裝: FINE PITCH, PLASTIC, QFP-80
文件頁數(shù): 35/63頁
文件大?。?/td> 8367K
代理商: M37735S4LHP
CENTRAL PROCESSING UNIT (CPU)
7733 Group User’s Manual
2–2
2.1 Central processing unit
The CPU of the 7733 Group has ten registers as shown in Figure 2.1.1. Each of these registers is described
below.
Fig. 2.1.1 CPU registers structure
b0
b7
b8
b15
AH
AL
b0
b7
b8
b15
BH
BL
b0
b7
b8
b15
XH
XL
b0
b7
b8
b15
YH
YL
b0
b7
b8
b15
SH
SL
b0
b7
b8
b15
b7
b0
b8
b23
b16 b15
b7
b0
PCH
PCL
PG
b0
b7
DT
b0
b7
b8
b15
b0
b1
b2
b3
b4
b5
b6
b7
b8
b10
000
00
C
Z
I
D
x
m
V
N
IPL
Accumulator A (A)
Accumulator B (B)
Index register X (X)
Index register Y (Y)
Stack pointer (S)
Data bank register (DT)
Program counter (PC)
Program bank register (PG)
Direct page register (DPR)
Processor status register (PS)
Processor interrupt priority level
Carry flag
Zero flag
Interrupt disable flag
Index register length flag
Decimal mode flag
Data length flag
Overflow flag
Negative flag
DPRL
DPRH
PSL
PSH
b9
b15
2.1 Central processing unit
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