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參數(shù)資料
| 型號： | MK68901 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Multifunction Peripheral(多功能外圍電路) |
| 中文描述： | 多功能外圍（多功能外圍電路） |
| 文件頁數(shù)： | 1/33頁 |
| 文件大?。?/td> | 313K |
| 代理商： | MK68901 |
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MK68901
December1988
MULTI–FUNCTION PERIPHERAL
.
8 INPUT/OUTPUTPINS
Individually programmable direction
Individualinterrupt source capability
-
Programmable edge selection
.
16 SOURCEINTERRUPT CONTROLLER
8 Internal sources
8 External sources
Individualsource enable
Individualsource masking
Programmable interrupt service modes
-
Polling
-
Vector generation
-
Optional In-service status
Daisy chaining capability
.
FOUR TIMERS WITH INDIVIDUALLY PRO-
GRAMMABLE PRESCALING
Twomultimode timers
-
Delaymode
-
Pulse width measurement mode
-
Event countermode
Twodelay mode timers
Independent clock input
Time out output option
.
SINGLECHANNEL USART
Full Duplex
Asynchronous to 65kbps
Bytesynchronous to 1 Mbps
Internal/External baud rate generation
DMAhandshake signals
Modemcontrol
Loop back mode
.
68000 BUS COMPATIBLE
.
48 PIN DIP OR 52 PIN PLCC
Figure 1 :
Pin connections.
DESCRIPTION
The MK68901 MFP (Multi-Function Peripheral) is a
combination of many of the necessary peripheral
functions in a microprocessor system.
Included are :
Eight parallel I/O lines
Interrrupt controller for 16 sources
Four timers
Single channel fullduplex USART
The use of the MFPin asystemcansignificantly re-
duce chipcount,thereby reducing systemcost. The
MFPiscompletely 68000 bus compatible, and24di-
rectly addressable internal registers provide the ne-
MFP
1
DPIP48
PLCC52
1/33
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