- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄201874 > MC68HC05J5AJP (MOTOROLA INC) 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP16 PDF資料下載
參數(shù)資料
| 型號(hào)： | MC68HC05J5AJP |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 61/113頁 |
| 文件大?。?/td> | 1212K |
| 代理商： | MC68HC05J5AJP |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁當(dāng)前第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁第75頁第76頁第77頁第78頁第79頁第80頁第81頁第82頁第83頁第84頁第85頁第86頁第87頁第88頁第89頁第90頁第91頁第92頁第93頁第94頁第95頁第96頁第97頁第98頁第99頁第100頁第101頁第102頁第103頁第104頁第105頁第106頁第107頁第108頁第109頁第110頁第111頁第112頁第113頁
July 16, 1999
GENERAL RELEASE SPECIFICATION
MC68HC05J5A
INPUT/OUTPUT PORTS
MOTOROLA
REV 2.1
7-7
If the corresponding bit in the pulldown/up register is clear (and the pulldown/up
mask option is chosen) the input pin will also have an activated pulldown/up
device. Since the pulldown/up register bits are write-only, bit manipulation should
not be used on these register bits.
7.4.4 I/O Pin Transitions
A "glitch" can be generated on an I/O pin when changing it from an input to an out-
put unless the data register is rst preconditioned to the desired state before
changing the corresponding DDR bit from a zero to a one.
If pulldowns are enabled by mask option, a oating input can be avoided by clear-
ing the pulldown/up register bit before changing the corresponding DDR from a
one to a zero. This will insure that the pulldown device will be activated before the
I/O pin changes from a driven output to a pulled low/high input.
7.4.5 I/O Pin Truth Tables
Every pin on Port A and Port B may be programmed as an input or an output
also have software programmable pulldown/up devices if selected by the appropri-
ate mask option.
Table 7-1. Port A I/O Pin Functions
Table 7-2. Port B I/O Pin Functions
Accesses to
PDURA
at $0010
Accesses to
Data Register
@ $0000
0
1
IN, Hi-Z
OUT
PDURA0-7
DDRA0-7
I/O Pin
PA0-7
*
PA0-7
U
I/O Pin Mode
DDRA
Read/Write
Accesses
to DDRA
@ $0004
Read
Write
Read
Write
* Does not affect input,
but stored to data register
U is undefined
Accesses to
PDURB
at $0011
Accesses to
Data Register
@ $0001
0
1
IN, Hi-Z
OUT
PDURB0-2
DDRB0-2
I/O Pin
PB0-5
*
PB0-5
U
I/O Pin Mode
DDRA
Read/Write
Accesses
to DDRB
@ $0005
Read
Write
Read
Write
* Does not affect input,
but stored to data register
U is undefined
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC68HC05J5AP | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP20 |
| MICD-038-03.75-TTR-TTL-1-S | INTERCONNECTION DEVICE |
| MICD-038-03.75-TTR-TTL-3-B | INTERCONNECTION DEVICE |
| MICD-038-03.75-TTR-TTR-1-S | INTERCONNECTION DEVICE |
| MICD-038-03.75-TTR-TTR-2-B | INTERCONNECTION DEVICE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC05J5AP | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:8-bit microcontroller units |
| MC68HC05JJ6 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:General Release Specification Microcontrollers |
| MC68HC05JJ6CDW | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:General Release Specification Microcontrollers |
| MC68HC05JJ6CDWE | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:General Release Specification Microcontrollers |
| MC68HC05JJ6CP | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:General Release Specification Microcontrollers |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。