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參數(shù)資料
| 型號： | VRC5074 |
| 廠商： | NEC Corp. |
| 英文描述： | Interface Controller(接口控制器) |
| 中文描述： | 接口控制器（接口控制器） |
| 文件頁數(shù)： | 3/4頁 |
| 文件大?。?/td> | 27K |
| 代理商： | VRC5074 |
3
V
RC
5074
Each channel supports up to 1 megabyte of data transfer
Hardware handshaking supported for transferring data to/from slow local I/O devices
DMA can be suspended and restarted
UART
NY16550L Universal Asynchronous Receiver/Transmitter (UART)
Compatibility with National Semiconductor's NS16550D
16-byte receiver and transmitter FIFOs
Fully programmable serial interface characteristics
— 5-, 6-, 7-, and 8-bit characters
— Even, odd, or nonparity bit generation and detection
— 1, 1-1/2, or 2 stop-bit generation
— Baud-rate generation
— Modem control functions (CTS, RTS, DSR, DTR, RI, and DCD)
Programmable baud-rate generator controlled by input clock divided by 1 to (2
Fully prioritized interrupt system controls
16
) – 1
Timers
16-bit SDRAM refresh timer
64-bit bus read timeout timer
32-bit general-purpose timer
32-bit watchdog timer
All timers cascadable
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