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參數(shù)資料
| 型號： | EM78568 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 8-BIT MICRO-CONTROLLER for FRS |
| 中文描述： | 8位微控制器為FRS |
| 文件頁數(shù)： | 3/54頁 |
| 文件大?。?/td> | 494K |
| 代理商： | EM78568 |
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User Application Note
(Before using this chip, take a look at the following description note, it includes important messages.)
1. There are some undefined bits in the registers. The values in these bits are unpredicted. These bits
are not allowed to use. We use the symbol “-” in the spec to recognize them.
2. You will see some names for the register bits definitions. Some name will be appear very
frequently in the whole spec. The following describes the meaning for the register’s definitions
such as bit type, bit name, bit number and so on.
RA
7
6
5
4
3
-
2
1
0
RAB7
R/W-0
RAB6
R/W-0
BAB5
R-1
RAB4
R/W-1
RAB2
R
RAB0
R/W
Bit type
Bit name
Bit number
read/write
(default value=0)
read/write
(default value=1)
read only
(w/o default value)
read/write
(w/o default value)
PAGE0
Register name and its page
RAB1
(undefined) not allowed to use
R-0
read only
(default value=0)
read only
(default value=1)
3.
While in the ICE programming, the user need to follow the rule as :
Let “IOCE PAGE0 Bit 4 ~ Bit 7” remain these values to “0”othwise it will generate
unpredicted interrupts. Let “IOCC PAGE1 Bit 0” remain its value to “0” unchanged otherwise
Comparator and CTCSS function will fail.
4.The function difference between EM78568 and EM78P568.
Function
Item
EM78568
EM78P568
Data RAM
0.5k x 8
1k x 8
I/O
PC0
PC0 ~ PC7
PB0 ~ PB7
LCD driver
SEG0 ~ SEG19
SEG0 ~ SEG31
Package
100-pin QFP,63-pin die
100-Pin QPF, 78-pin die
DC characteristic
Parameter
Symbol Condition
Internal 2.5V ref.. 2.5VREF VDD=5V, 25 deg for
EM78568
Voltage
VDD=5V, 25 deg for
EM78P568
2.14 2.26 2.38 V
VDD=3V, 25 deg for
EM78568
VDD=3V, 25 deg for
EM78P568
2.04 2.18 2.3
Min Typ Max Unit
2.32 2.46 2.58 V
2.22 2.36 2.48 V
V
5. In the feature description CPU operating voltage 2.2 ~ 5.5V, the minimum operating voltage 2.2V
is under maximum main clock = 3.5826MHz.
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| EMA3 | Emitter common (dual digital transistors) |
| EMA4 | General purpose (dual digital transistors) |
| EMB4 | General purpose (dual digital transistors) |
| EMA5 | Emitter common (dual digital transistors) |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| EM78569 | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER |
| EM785830AA | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER |
| EM785830AAM | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER |
| EM785830AAP | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER |
| EM785830AD | 制造商:EMC 制造商全稱:ELAN Microelectronics Corp 功能描述:8-BIT MICRO-CONTROLLER |
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