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參數資料
型號： 73S1210F-68IMR/F/P
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC68
封裝： LEAD FREE, QFN-68
文件頁數： 58/126頁
文件大小： 1231K
代理商： 73S1210F-68IMR/F/P
DS_1210F_001
73S1210F Data Sheet
Rev. 1.4
37
Interrupt Request Register (IRCON): 0xC0
0x00
Table 24: The IRCON Register
MSB
LSB
–
EX6
IEX5
IEX4
IEX3
IEX2
–
Bit
Symbol
Function
IRCON.7
–
IRCON.6
–
IRCON.5
IEX6
External interrupt 6 flag.
IRCON.4
IEX5
External interrupt 5 flag.
IRCON.3
IEX4
External interrupt 4 flag.
IRCON.2
IEX3
External interrupt 3 flag.
IRCON.1
IEX2
External interrupt 2 flag.
IRCON.0
–
1.7.5.3
External Interrupts
The external interrupts (external to the CPU core) are connected as shown in Table 25. Interrupts with
multiple sources are OR’ed together and individual interrupt source control is provided in XRAM SFRs to
mask the individual interrupt sources and provide the corresponding interrupt flags. Multifunction USR
[7:0] pins control Interrupts 0 and 1. Dedicated external interrupt pins INT2 and INT3 control interrupts 2
and 3. The polarity of interrupts 2 and 3 is programmable in the MPU. Interrupts 4, 5 and 6 have multiple
peripheral sources and are multiplexed to one of these three interrupts. The peripheral functions will be
described in subsequent sections. Generic 80515 MPU literature states that interrupts 4 through 6 are
defined as rising edge sensitive. Thus, the hardware signals attached to interrupts 4, 5 and 6 are
converted to rising edge level by the hardware.
SFR (special function register) enable bits must be set to permit any of these interrupts to occur.
Likewise, each interrupt has its own flag bit that is set by the interrupt hardware and is reset automatically
by the MPU interrupt handler.
Table 25: External MPU Interrupts
External
Interrupt
Connection
Polarity
Flag Reset
0
USR I/O High Priority
Automatic
1
USR I/O Low Priority
Automatic
2
External Interrupt Pin INT2
Edge selectable
Automatic
3
External Interrupt Pin INT3
Edge selectable
Automatic
4
Smart Card Interrupts
N/A
Automatic
5
Keypad
N/A
Automatic
6
I
2
N/A
C, VDD_Fault, Analog Comp
Automatic
Note: Interrupts 4, 5 and 6 have multiple interrupt sources and the flag bits are cleared upon reading of
the corresponding register. To prevent any interrupts from being ignored, the register containing multiple
interrupt flags should be stored temporary to allow each interrupt flag to be tested separately to see which
interrupt(s) is/are pending.
相關PDF資料
PDF描述
73S1210F-68IM/F 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC68
73S1210F-44IM/F/P 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC44
73S1210F-68IMR/F 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC68
73S1210F-44IM/F 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC44
73S8009C-20IMR/F 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC20
相關代理商/技術參數
參數描述
73S1210F-68M/F/PB 制造商:Maxim Integrated Products 功能描述:- Trays
73S1210F-68M/F/PG 功能描述:8位微控制器 -MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
73S1210F-68M/F/PH 功能描述:8位微控制器 -MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
73S1210F-68M/F/PJ 制造商:Maxim Integrated Products 功能描述:SCR+PPAD/SRL INTFC/PWR MGT-3.11CODE - Rail/Tube
73S1210F-68MR/F/PG 功能描述:8位微控制器 -MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
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