參數(shù)資料
型號: TS68HC901CP8
廠商: 意法半導體
英文描述: HCMOS MULTI-FUNCTION PERIPHERAL
中文描述: HCMOS多功能外設
文件頁數(shù): 2/42頁
文件大?。?/td> 369K
代理商: TS68HC901CP8
Figure 1:
TS68HC901 Block Diagram
INTRODUCTION
The TS68HC901 multi-function peripheral (CMFP)
is a member of the 68000 peripherals. The CMFP
directly interfaces to the 68000 processor via an a-
synchronous bus structure. Both vectored and pol-
ledinterrupt schemes are supported, withtheCMFP
providing unique vectornumber generation for each
of its 16 interrupt sources. Additionally, handshake
linesareprovided tofacilitateDMACinterfacing.Re-
fer to block diagram of the TS68HC901.
The TS68HC901 performs many of the functions
The resources available to the user include:
.
EightIndividually Programmable I/OPins withIn-
terrupt Capability
.
16-Source Interrupt Controller with Individual
Source Enabling and Masking
.
Four Timers, Two of which are Multi-Mode Ti-
mers
.
Timers may be used as Baud Rate Generators
for the Serial Channel
.
Single-Channel Full-Duplex Universal Synchro-
nous / Asynchronous Receiver-Transmitter (U-
SART) that Supports Asynchronous and withthe
Addition of a Polynomial Generator Checker
Supports Byte Synchronous Formats
Byincorporating multiplefunctions withintheCMFP,
the system designer retains flexibility while minimi-
zing device count.
Froma programmer’s point of view, the versatilityof
the CMFPmay be attributed to its register set. The
registers are well organized and allow the CMFP to
be easily tailored to a variety of applications. All of
the 24 registers are also directly addressable which
simplifies programming. The register map is shown
in Figure 2.
TS68HC901
2/42
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