参数资料
型号: M34506M2-XXXFP
元件分类: 微控制器/微处理器
英文描述: 4-BIT, MROM, MICROCONTROLLER, PDSO20
封装: 5.30 X 12.60 MM, 1.27 MM PITCH, PLASTIC, SOP-20
文件页数: 59/114页
文件大小: 836K
代理商: M34506M2-XXXFP
2
2-12
32180 Group User’s Manual (Rev.1.0)
CPU
2.6 Data Formats
(5) Transfer from memory (signed) to registers
Signed 32 bits
LD24 Rsrc, #label
LD
Rdest, @Rsrc
Signed 16 bits
LD24 Rsrc, #label
LDH
Rdest, @Rsrc
Signed 8 bits
LD24 Rsrc, #label
LDB
Rdest, @Rsrc
label
Rdest
b31
b0
+0
+1
+2
+3
Rdest
label
00
FF
Determined by MSB
b31
b0
+0
+1
+2
+3
Rdest
label
00
FF
b31
b0
+0
+1
+2
+3
Determined by MSB
Memory
Register
0: Positive number
1: Negative number
0: Positive number
1: Negative number
Unsigned 32 bits
LD24 Rsrc, #label
LD
Rdest, @Rsrc
Unsigned 16 bits
LD24 Rsrc, #label
LDUB Rdest, @Rsrc
Unsigned 8 bits
LD24 Rsrc, #label
LDUH Rdest, @Rsrc
Rdest
00
b31
b0
label
+0
+1
+2
+3
label
+0
+1
+2
+3
Rdest
b31
b0
label
+0
+1
+2
+3
Rdest
00
b31
b0
Memory
Register
Figure 2.6.7 Transfer from Memory (Signed) to Registers
(6) Transfer from memory (unsigned) to registers
Figure 2.6.8 Transfer from Memory (Unsigned) to Registers
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