參數(shù)資料
型號(hào)： MC68HC681FN
廠商： MOTOROLA INC
元件分類(lèi)： 微控制器/微處理器
英文描述： 2 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PQCC44
封裝： PLASTIC, LCC-44
文件頁(yè)數(shù)： 78/88頁(yè)
文件大小： 461K
代理商： MC68HC681FN
TABLE OF CONTENTS (Continued)
Paragraph
Page
Number
Title
Number
MOTOROLA
MC68HC681 USER’S MANUAL
ix
Appendix A
MC68HC2681
A.1
Introduction ......................................................................................... A-1
A.1.1
Interrupt Control Logic.............................................................. A-1
A.1.2
Input Port.................................................................................. A-1
A.2
Signal Description ................................................................................ A-1
A.2.1
Reset (RESET)......................................................................... A-4
A.2.2
Chip-Select (CS) ...................................................................... A-4
A.2.3
Write Strobe (W)....................................................................... A-4
A.2.4
Read Strobe (R) ....................................................................... A-4
A.2.5
Parallel Input 6 (IP6)................................................................. A-4
A.2.6
Parallel Input 2 (IP2)................................................................. A-4
A.3
Programming and Register Description .............................................. A-4
A.4
Electrical Specifications ...................................................................... A-6
A.4.1
Absolute Maximum Ratings...................................................... A-6
A.4.2
Thermal Characteristics ........................................................... A-6
A.4.3
DC Electrical Characteristics.................................................... A-6
A.4.4
AC Electrical Characteristics .................................................... A-7
A.4.4.1
Clock Timing ................................................................. A-7
A.4.4.2
RESET Timing .............................................................. A-8
A.4.4.3
Bus Timing..................................................................... A-8
A.4.4.4
Port Timing ................................................................... A-9
A.4.4.5
Interrupt Reset Timing ................................................. A-9
A.4.4.6
Transmitter Timing....................................................... A-10
A.4.4.7
Receiver Timing.......................................................... A-10
A.5
Mechanical Data and Ordering Information ....................................... A-14
A.5.1
Pin Assignment—44 Pin Plastic Leaded Chip Carrier.............. A-14
A.5.2
FN Suffix Ordering Information................................................. A-14
A.5.3
FN Suffix Packaging Dimensions ............................................. A-15
A.5.4
Pin Assignment—40 Pin Dual-In Line Plastic Package............ A-16
A.5.5
P Suffix Ordering Information ................................................... A-16
A.5.6
Packaging Dimensions—Plastic............................................... A-17
Index
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