參數(shù)資料
型號: EM6517
廠商: Electronic Theatre Controls, Inc.
元件分類: 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機(jī)的小型通用紅外遙控器
文件頁數(shù): 49/66頁
文件大?。?/td> 762K
代理商: EM6517
EM6517
FOR ENGINEERING ONLY
EM Microelectronic-Marin SA, 09/99, Rev. A/277
49
19.1.2 Port B Metal Options
Pull-up or no pull-up can be
selected for each port B input. The
pull-up is only active in Nch. open
drain mode.
Pull-down or no pull-down can be
selected for each port B input.
The total pull value (pull-up or pull-
down) is a series resistance out of
the resistance R1 and the switching
transistor. As a switching transistor
the user can choose between a high
impedance
(weak)
impedance (strong) switch. Weak ,
strong or none must be chosen.
The default is strong. The default
resistor R1 value is 100 KOhm. The
user may choose a different value
from 150 KOhm down to 0 Ohm.
However the value must first be
checked
and
agreed
Microelectronic Marin SA
or
a
low
by
EM
To select an option put an
X
in
column 1,2 and 4 and reconfirm the
R1 value in column 3.
The default value is : Strong pull-
down with R1=100 KOhm
To select an option put an
X
in
column 1,2 and 4 and reconfirm the
R1 value in column 3.
The default value is : Strong pull-up
with R1=100 KOhm
Figure 33. Port B Pull Options
Input Circuitry
Resistor R1
100 KOhm
MPBPDweak[n]
Weak Pull-down
MPBPDstrong[n]
Strong Pull-down
MPBPUweak[n]
Weak Pull-up
MPBPUstrong[n]
Strong Pull-up
Pull-Up Control
PB[n]
Terminal
Pull-down Control
or
Block
No Pull-up
No Pull-down
Option
Name
Strong
Pull-
down
1
Weak
Pull-
down
2
R1
Value
Typ.100k
3
100k
100k
100k
100k
No
Pull-
down
4
MPBPD[3]
MPBPD[2]
MPBPD[1]
MPBPD[0]
PB3 input pull-down
PB2 input pull-down
PB1 input pull-down
PB0 input pull-down
X
X
X
X
Option
Name
Strong
Pull-up
Weak
Pull-up
R1
value
Typ. 100k
3
100k
100k
100k
100k
NO
Pull-up
1
2
4
MPBPU[3]
MPBPU[2]
MPBPU[1]
MPBPU[0]
PB3 input pull-up
PB2 input pull-up
PB1 input pull-up
PB0 input pull-up
X
X
X
X
相關(guān)PDF資料
PDF描述
emg6 General purpose (dual digital transistors)
EMG6 General purpose (dual digital transistors)
EMX-303L1 Magnetic transducer Buzzer
EMX-303L2 Magnetic transducer Buzzer
EMX-303P2 Magnetic transducer Buzzer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EM6517-240# 制造商:DANAHER - FLUKE 功能描述:BNC TO BANTAM CABLE 制造商:Fluke Electronics 功能描述:BNC TO BANTAM CABLE
EM6520 制造商:EMMICRO 制造商全稱:EM Microelectronic - MARIN SA 功能描述:MFP version of EM6620 Ultra Low Power Microcontroller 4x8 LCD Driver
EM6521 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4 bit Microcontroller
EM6522 制造商:EMMICRO 制造商全稱:EM Microelectronic - MARIN SA 功能描述:This board contains the different MFP’s
EM65240 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Graphic STN LCD Drivers