參數(shù)資料
型號: HMS81C43XX
廠商: Hynix Semiconductor Inc.
英文描述: CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER FOR TELEVISION
中文描述: CMOS單芯片8位單片機電視
文件頁數(shù): 71/100頁
文件大小: 1943K
代理商: HMS81C43XX
HMS81C43xx / GMS87C4060
71
November 2001 ver 1.2
Interrupt enable registers are shown in Figure 19-4 . These
registers are composed of interrupt enable flags of each in-
terrupt source, these flags determines whether an interrupt
will be accepted or not. When enable flag is "0", a corre-
sponding interrupt source is prohibited. Note that PSW
contains also a master enable bit, I-flag, which disables all
interrupts at once.
Figure 19-3 Interrupt Request Flags
INT2
R/W
INT1
INT0
VSync interrupt request flag
INITIAL VALUE: 0000 0000
b
ADDRESS: 00F7
H
IRQH
OSD
MSB
LSB
1FrameVSync
T0
T2
R/W
R/W
WDT
R/W
T1
INITIAL VALUE: 0000 000-
b
ADDRESS: 00F5
H
IRQL
T3
MSB
I2C
BIT
INTV
R/W
R/W
R/W
SR
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
1 Frame interrupt request flag
Timer / Counter 2 interrupt request flag
Timer / Counter 0 interrupt request flag
External interrupt 2 interrupt request flag
External interrupt 1 interrupt request flag
On screen display interrupt request flag
External interrupt 0 interrupt request flag
I
2
C interrupt request flag
LSB
Serial I/O interrupt request flag
Basic interval timer interrupt request flag
Watch-dog timer interrupt request flag
Interrupt interval measurement interrupt request flag (INT3/4)
Timer / Counter 3 interrupt request flag
Timer / Counter 1 interrupt request flag
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