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參數(shù)資料
| 型號： | TMS320C242PGA |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | 16-Bit Digital Signal Processor |
| 中文描述： | 16位數(shù)字信號處理器 |
| 文件頁數(shù)： | 22/66頁 |
| 文件大小： | 803K |
| 代理商： | TMS320C242PGA |
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TMS320C242
DSP CONTROLLER
SPRS063B – DECEMBER 1997 – REVISED DECEMBER 1999
22
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
external interrupts
The ’C242 device has four external interrupts. These interrupts include:
XINT1.
The XINT1 control register (at 7070h) provides control and status for this interrupt. XINT1 can be used
as a high-priority (Level 1) or low-priority (Level 6) maskable interrupt or as a general-purpose I/O pin. XINT1
can also be programmed to trigger an interrupt on either the rising or the falling edge.
XINT2.
The XINT2 control register (at 7071h) provides control and status for this interrupt. XINT2 can be used
as a high-priority (Level 1) or low-priority (Level 6) maskable interrupt or a general-purpose I/O pin. XINT2 can
also be programmed to trigger an interrupt on either the rising or the falling edge.
NMI.
This is a nonmaskable external interrupt.
PDPINT.
This interrupt is provided for safe operation of power converters and motor drives controlled by
the ’C242. This maskable interrupt can put the timers and PWM output pins in high-impedance states and
inform the CPU in case of motor drive abnormalities such as overvoltage, overcurrent, and excessive
temperature rise. PDPINT is a Level 1 interrupt.
Table 6 is a summary of the external interrupt capability of the ’C242.
Table 6. External Interrupt Types and Functions
EXTERNAL
INTERRUPT
CONTROL
REGISTER
NAME
CONTROL
REGISTER
ADDRESS
MASKABLE
XINT1
XINT1CR
7070h
Yes
(Level 1 or 6)
XINT2
XINT2CR
7071h
Yes
(Level 1 or 6)
NMI
—
—
No
PDPINT
EVIMRA
742Ch
Yes
(Level 1)
A
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| TMS320C25FNA | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC Digital Signal Proc RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
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