參數(shù)資料
型號(hào): HMS30C7202
廠商: HYNIX SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-bit ARM7TDMI RISC static CMOS CPU core
中文描述: 32-BIT, 82.944 MHz, RISC PROCESSOR, PBGA256
封裝: 17 X 17 MM, 1.40 MM HEIGHT, 1 MM PITCH, FBGA-256
文件頁數(shù): 115/161頁
文件大?。?/td> 973K
代理商: HMS30C7202
HMS30C7110
2003 MagnaChip Semiconductor Ltd. All Rights Reserved
Version 1.5
115
Table 2.78 GPIO Direction Register Bit Definition
Address :
1820_0008
Bits
Access Default Description
31:9
0x00
Reserved
8:3
RW
0x00
GPO FUNCTION
These pins set the coressponding pins to either dedicated function or
GPO.
0 = Use for specific features
1 = Use for GPI or GPO
2:0
RW
0x00
GPIO DIRECTION
This 3-bits field controls the direction of GPIO pads.
0 = input mode
1 = output mode
2.9.1.4.
INT SRC
The Interrupt source register indicates which input pin is triggered.
Table 2.79 Interrupt Source Register Bit Definition
Address :
1820_000C
Bits
Access
Default Description
31: 16
0x00
Reserved
15: 0
ROC
0x00
INT SOURCE
This 16-bits field indicates which GPI pin(s) generated interrupt(s).
Bit 0 through 7 generate external interrupt 0 through 7 respectively.
Bit 8 through 15 generate GPIO interrupt.
2.9.1.5.
INT ENABLE
The Interrupt enable register chooses the interrupt sources being used.
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