參數(shù)資料
型號: HMS30C7080
廠商: Electronic Theatre Controls, Inc.
英文描述: Mobile Phone Camera Back-End Processor
中文描述: 手機(jī)相機(jī)后端處理器
文件頁數(shù): 99/161頁
文件大小: 973K
代理商: HMS30C7080
HMS30C7110
2003 MagnaChip Semiconductor Ltd. All Rights Reserved
Version 1.5
99
Table 2.57 IER Bit Definition
Address :
1800_0004
Bits
Access Default Description
31:4
0x00
Reserved
3
RW
0x0
MODEM Status Interrupt Enable
When set to logic 1 this bit enables the MODEM Status Interrupt
2
RW
0x0
Receiver Line Status Interrupt Enable
When set to logic 1 this bit enables the Receiver Line Status
Interrupt.
1
RW
0x0
Transmitter Holing Register Empty Interrupt Enable
When set to logic 1 this bit enables the Transmitter Holding Register
Empty Interrupt.
0
RW
0x0
Receive Data Available Interrupt Enable
When set to logic 1 this bit enables the Receive Data Available
Interrupt and Timeout Interrupt in the FIFO Mode.
2.7.2.4.
In order to provide minimum software overhead during data character transfers, each serial channel
Interrupt Identification Register (IIR)
of the UART prioritizes interrupts into four levels and records these in the Interrupt Identification
Register. The four levels of interrupt conditions in order of priority are Receiver Line Status;
Received Data Ready; Transmitter Holding Register Empty; and MODEM Status.
Table 2.58 IIR Bit Definition
Address :
1800_0008
Bits
Access Default Description
31:4
0x00
Reserved
3
RO
0x0
This bit is set along with bit 2 when a timeout interrupt is pending.
2:1
RO
0x00
These two bits of the IIR identify the highest priority interrupt
pending from those shown in Table 2.64.
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