参数资料
型号: HD404449H
元件分类: 微控制器/微处理器
英文描述: MROM, MICROCONTROLLER, PQFP80
封装: PLASTIC, QFP-80
文件页数: 6/33页
文件大小: 440K
代理商: HD404449H
HD404449 Series
12
Memory registers
64
65
66
67
68
69
70
71
73
74
75
76
77
78
79
72
$040
$041
$042
$043
$044
$045
$046
$047
$048
$049
$04A
$04B
$04C
$04D
$04E
$04F
960
$3C0
1023
$3FF
MR(0)
MR(1)
MR(2)
MR(3)
MR(4)
MR(5)
MR(6)
MR(7)
MR(8)
MR(9)
Level 16
Level 15
Level 14
Level 13
Level 12
Level 11
Level 10
Level 9
Level 8
Level 7
Level 6
Level 5
Level 4
Level 3
Level 2
Level 1
MR(10)
MR(11)
MR(12)
MR(13)
MR(14)
MR(15)
PC
ST
PC
CA
PC
10
3
13
9
6
2
12
8
5
1
11
7
4
0
Bit 3
Bit 2
Bit 1
Bit 0
$3FC
$3FD
$3FE
$3FF
1020
1021
1022
1023
PC –PC :
ST: Status flag
CA: Carry flag
Program counter
13
Stack area
0
Figure 6 Configuration of Memory Registers and Stack Area, and Stack Position
Bit
Initial value
Read/Write
Bit name
3
Not used
2
Not used
0
R/W
V0
1
Not used
V0
0
1
Bank area selection
Bank 0 is selected
Bank 1 is selected
Note: After reset, the value in the bank register is 0, and therefore bank 0 is
selected.
Bank register (V: $03F)
Figure 7 Bank Register (V)
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