参数资料
型号: M37221M8H-XXXSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP42
封装: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件页数: 11/112页
文件大小: 1179K
代理商: M37221M8H-XXXSP
M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
Rev.1.00
Oct 01, 2002
page 108 of 110
REJ03B0134-0100Z
Address 00FD16
Addresses 00FE16
b7b6 b5 b4b3 b2 b1 b0
Interrupt request register 2 (IREQ2) [Address 00FD
BName
Functions
After reset RW
Interrupt Request Register 2
0
INT1 external interrupt
request bit (IT1R)
0 : No interrupt request issued
1 : Interrupt request issued
1
INT2 external interrupt
request bit (IT2R)
2
Serial I/O interrupt
request bit (S1R)
3
4
f(XIN)/4096 interrupt
request bit (MSR)
5, 6
7
Fix this bit to “0.”
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
0
: “0” can be set by software, but “1” cannot be set.
0
0
0
0
0 : No interrupt request issued
1 : Interrupt request issued
16
]
R
R —
R W
0
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
0R —
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is “0.”
b7 b6 b5 b4 b3 b2 b1 b0
Interrupt control register 1 (ICON1) [Address 00FE16]
BName
Functions
R W
Interrupt Control Register 1
0
Timer 1 interrupt
enable bit (TM1E)
0 : Interrupt disabled
1 : Interrupt enabled
1
Timer 2 interrupt
enable bit (TM2E)
2
Timer 3 interrupt
enable bit (TM3E)
3
4
OSD interrupt enable bit
(CRTE)
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0 : Interrupt disabled
1 : Interrupt enabled
0
RW
R
7
Timer 4 interrupt
enable bit (TM4E)
0 : Interrupt disabled
1 : Interrupt enabled
5
VSYNC interrupt enable
bit (VSCE)
0 : Interrupt disabled
1 : Interrupt enabled
0
RW
6
0 : Interrupt disabled
1 : Interrupt enabled
0
RW
INT3 external interrupt
enable bit (IT3E)
Multi-master I2C-BUS interface
interrupt enable bit (IICE)
0 : Interrupt disabled
1 : Interrupt enabled
W
After reset
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