参数资料
型号: MB90F334APFF
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP120
封装: 14 X 14 MM, 1.70 MM HEIGHT, 0.40 MM PITCH, PLASTIC, LFQFP-120
文件页数: 98/120页
文件大小: 1210K
代理商: MB90F334APFF
MB90330A Series
79
17. Address matching detection function
When the address is equal to the value set in the address detection register, the instruction code to be read into
the CPU is forcibly replaced with the INT9 instruction code (01H). As a result, the CPU executes the INT9
instruction when executing the set instruction. By performing processing by the INT#9 interrupt routine, the
program patch function is enabled.
2 address detection registers are provided, for each of which there is an interrupt enable bit. When the address
matches the value set in the address detection register with the interrupt enable bit set to 1, the instruction code
to be read into the CPU is forcibly replaced with the INT9 instruction code.
Register list
Program address detect register 0 to 2 (PADR0)
Program address detect register 3 to 5 (PADR1)
Program address detection control status register (PACSR)
PADR0 (lower)
bit
Initial Value
XXXXXXXXB
Address : 001FF0H
PADR0 (middle)
bit
Initial Value
XXXXXXXXB
Address : 001FF1H
PADR0 (upper)
bit
Initial Value
XXXXXXXXB
Address : 001FF2H
PADR1 (lower)
bit
Initial Value
XXXXXXXXB
Address : 001FF3H
PADR1 (middle)
bit
Initial Value
XXXXXXXXB
Address : 001FF4H
PADR1 (upper)
bit
Initial Value
XXXXXXXXB
Address : 001FF5H
PACSR
bit
Initial Value
00000000B
Address : 00009EH
(R/W)
76
5
4
32
1
0
(R/W)
15
14
13
12
11
10
9
8
(R/W)
76
5
4
32
1
0
(R/W)
15
14
13
12
11
10
9
8
(R/W)
76
5
4
32
1
0
(R/W)
15
14
13
12
11
10
9
8
(R/W)
76
5
4
3
2
1
0
(R/W)
ADIE
ADDE
Reserved Reserved Reserved Reserved
Reserved
R/W : Readable and Writable
X
: Undefined
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