參數(shù)資料
型號: MC68HC901FN
廠商: MOTOROLA INC
元件分類: 外設(shè)及接口
英文描述: Multi-Function Peripheral
中文描述: MULTIFUNCTION PERIPHERAL, PQCC52
封裝: PLASTIC, LCC-52
文件頁數(shù): 11/73頁
文件大?。?/td> 274K
代理商: MC68HC901FN
MOTOROLA
MC68HC901 USER’S MANUAL
1-1
SECTION 1
INTRODUCTION
The MC68HC901 Multi-Function Peripheral (MFP) is a member of the M68000 Family
of peripherals. Unless otherwise specified, the MC68HC901 multi-function peripheral
is hereafter referred to as the MFP in this document. Many features of the MFP make
reference to the MC68000 Family of 16- and 32-bit microprocessors, which includes the
MC68HC000, MC68HC001, and the MC68EC000. These microprocessors are referred
to as the MC68000 within this document.
The MFP directly interfaces to the MC68000 via the asynchronous bus structure. Both
vectored and polled interrupt schemes are supported with the MFP providing unique vector
number generation for each of its 16 interrupt sources. Additionally, handshake lines are
provided to facilitate direct memory access controller (DMAC) interfacing. Refer to Figure
1-1 for a block diagram of the MFP.
Figure 1-1. MFP Block Diagram
INTERNAL CONTROL
LOGIC
CLK
GND
V
CC
RESET
TIMERS
C & D
TCO
TDO
XTAL1
XTAL2
TAO
TAI
TBO
TBI
TIMERS
A & B
USART
SI
RC
SO
TC
TR
RR
I / O INTERRUPTS
GENERAL PURPOSE
I0 – I7
CPU
BUS
I / O
INTERRUPT
CONTROL
IRQ
IEI
IACK
D0 – D7
RS1 – RS5
R / W
DS
DTACK
CS
IEO
MC68HC901UM / AD
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