參數(shù)資料
型號(hào)： EM6821TQ52B
英文描述： Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: 0&degC to 70°C; Package: 8-EPSOIC
中文描述： 微控制器
文件頁(yè)數(shù)： 55/69頁(yè)
文件大?。?/td> 852K
代理商： EM6821TQ52B
EM6821
10/01, Revision A/386
Copyright
2001, EM Microelectronic-Marin SA
59
www.emmicroelectronic.com
18.1.5 Voltage Regulator Option
By default the internal voltage regulator supplies the
core logic the RAM and the ROM Mvreg(yes). With
option MVreg(No) the regulator is cut and Vbat is
supplying the core logic the ROM and the RAM.
18.1.6 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.
18.1.7 User defined LCD Segment Allocation
If using a different Segment allocation from the one described in chapter 14.3 , one needs to fill in following
table. The Segment allocation connection are realized with the interconnect Metal2 mask.
4 times MUX
COM[1]
COM[2]
COM[3]
COM[4]
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]
SEG[9]
SEG[10]
SEG[11]
SEG[12]
SEG[13]
SEG[14]
SEG[15]
SEG[16]
SEG[17]
SEG[18]
SEG[19]
SEG[20]
The customer should specify the required options at the time of ordering. A copy of the pages 56 to 59,
as well as the Software ROM characteristic file generated by the assembler (*.STA) should be
attached to the order.
Option
Name
Default
Value
User
Value
MVreg
Voltage Regulator
YES
Option
Name
Default
Value
User
Value
MDeb
Debouncer freq.
Ck[11]
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