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EM6620WS27 数据表(PDF) 46 Page - EM Microelectronic - MARIN SA

部件名 EM6620WS27
功能描述  Ultra Low Power Microcontroller with 4x8 LCD Driver
PDF  56 Pages
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制造商  EMMICRO [EM Microelectronic - MARIN SA]
网页  http://www.emmicroelectronic.com
标志 EMMICRO - EM Microelectronic - MARIN SA

EM6620WS27 数据表(HTML) 46 Page - EM Microelectronic - MARIN SA

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R
EM6620
Copyright
© 2005, EM Microelectronic-Marin SA
46
www.emmicroelectronic.com
16.1.3 Voltage Regulator Option
By default the internal voltage regulator supplies the
core logic the RAM and the ROM. With option
MVreg(B) the regulator is cut and Vbat is supplying
the core logic the ROM and the RAM.
16.1.4 SVLD and Input Comp Level Option
By default the level is 2.0 Volts. The maximum value
is 3.3 Volt and the minimum is 1.2 Volts.
Before choosing a value other than the default,
please contact EM Microelectronic Marin SA, to
check for already existing levels.
The chosen value is called VSVLDNom.
16.1.5 Debouncer frequency Option
By default the debouncer frequency is ck[11]. The
user may choose ck[14] instead of ck[11].
Ck[14 ]corresponds to maximum 0.25ms debouncer
time in case of a 32kHz oscillator.
16.1.6 User defined LCD Segment allocation
If using a different segment allocation from the one described in chapter 0 , one needs to fill in the table
below.
The segment allocation connections are realized with the interconnect Metal 2 mask.
in case of 4 times
MUX
COM[1]
COM[2]
COM[3]
COM[4]
in case of 3 times
MUX
COM[1]
COM[2]
COM[3]
--
SEG[1]
SEG[2]
SEG[3]
SEG[4]
SEG[5]
SEG[6]
SEG[7]
SEG[8]
The customer should specify the required options at the time of ordering. A copy of
the pages 44 to 46 as well as the « Software ROM characteristic file » generated by
the assembler (*.STA) should be attached to the order. Also the Customer package
marking, 7 Characters, should be defined at that time.
Option
name
Default
value
user
value
A
B
MVreg
Voltage Regulator
YES
Option
name
Default
value
user
value
A
B
VSVLD
Comparator Level
and SVLD Level
2.0
Option
name
Default
value
user
value
A
B
MDeb
Debouncer freq.
ck[11]



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