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): 70/100頁
文件大?。?/td> 1943K
代理商: HMS81C43XX
HMS81C43xx / GMS87C4060
70
November 2001 ver 1.2
Figure 19-2 Block Diagram of Interrupt
T0
Timer 0
INT2
INT1
INT2
INT1
IFOSD
OSD
INT0
INT0
IENH [00F6
H
]
Interrupt Enable
Register (Higher byte)
IRQH
[0F7
H
]
Interrupt
Vector
Address
Generator
Internal bus line
To CPU
Interrupt Master
Enable Flag
I Flag
P
I-flag is in PSW, it is cleared by "DI", set by
"EI" instruction. When it goes interrupt service,
I-flag is cleared by hardware, thus any other
interrupt are inhibited. When interrupt service is
completed by "RETI" instruction, I-flag is set to
"1" by hardware.
T2
Timer 2
1Frame
1 Frame
VSync
IFVSync
WDT
IFWDT
IFBIT
IFS
BIT
SR
IFI2C
I2C
IENL [00F4
H
]
IRQL
[00F5
H
]
INTV
Intr. interval
T3
Timer 3
T1
Timer 1
Internal bus line
IMOD [00F3
H
]
Bit5
Interrupt Enable
Register (Lower byte)
RESET
BRK
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