参数资料
型号: LM5117PMH
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 稳压器
英文描述: SWITCHING CONTROLLER, 530 kHz SWITCHING FREQ-MAX, PDSO20
封装: TSSOP-20
文件页数: 17/32页
文件大小: 844K
代理商: LM5117PMH
21
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37212M4/M8–XXXSP, M37212M6–XXXSP/FP
M37212EFSP/FP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
Fig. 8.3.2 Interrupt Request Register 1
b7 b6 b5 b4 b3 b2 b1 b0
Interrupt request register 1 (IREQ1) [Address 00FC
BName
Functions
After reset RW
Interrupt Request Register 1
0
0 : No interrupt request issued
1 : Interrupt request issued
Timer 1 interrupt
request bit
(TM1R)
1
Timer 2 interrupt
request bit
(TM2R)
2
Timer 3 interrupt
request bit
(TM3R)
3Timer 4 interrupt
request bit
(TM4R)
4
OSD interrupt request
bit
(OSDR)
5
VSYNC interrupt
request bit
(VSCR)
6
Multi-master I2C-BUS interface
interrupt request bit (IICR)
7
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
0 : No interrupt request issued
1 : Interrupt request issued
0
V
0
V
0
V
0
V
0
V
0
V
0
V
V: “0” can be set by software, but “1” cannot be set.
V
16
]
R
INT3 external interrupt
request bit (IT3R)
0 : No interrupt request issued
1 : Interrupt request issued
Fig. 8.3.3 Interrupt Request Register 2
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
V: “0” can be set by software, but “1” cannot be set.
0
V
0
V
0
V
0
V
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.”
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