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71M6403 Datasheet(PDF) 55 Page - Teridian Semiconductor Corporation

Part No. 71M6403
Description  Electronic Trip Unit
Download  75 Pages
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Maker  TERIDIAN [Teridian Semiconductor Corporation]
Homepage  http://www.teridian.com
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71M6403 Datasheet(HTML) 55 Page - Teridian Semiconductor Corporation

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71M6403
Electronic Trip Unit
SEPTEMBER 2006
Page: 55 of 75
© 2006 TERIDIAN Semiconductor Corporation
REV 1.0
LCD_NUM[4:0]
2020[4:0]
R/W
Number of dual-purpose LCD/DIO pins to be configured as LCD. This
number can be between 0 and 18. The first dual-purpose pin to be
used as LCD is SEG41/DIO21. If LCD_NUM = 2, SEG41 and SEG 40
will be configured as LCD. The remaining SEG39 to SEG24 will be
configured as DIO19 to DIO4.
LCD_NUM
SEG
DIO
0
None
DIO4-21
1
SEG41
DIO4-20
2
SEG40-41
DIO4-19
3
SEG39-41
DIO4-18
4
SEG38-41
DIO4-17
5
SEG37-41
DIO4-16
6
SEG36-41
DIO4-15
7
SEG35-41
DIO4-14
8
SEG34-41
DIO4-13
9
SEG33-41
DIO4-12
10
SEG32-41
DIO4-11
11
SEG31-41
DIO4-10
12
SEG30-41
DIO4-9
13
SEG29-41
DIO4-8
14
SEG28-41
DIO4-7
15
SEG27-41
DIO4-6
16
SEG26-41
DIO4-5
17
SEG25-41
DIO4
18
SEG24-41
None
LCD_SEG0[3:0]
LCD_SEG41[3:0]
2030[3:0]
2059[3:0]
R/W
LCD Segment Data. Each word contains information for from 1 to 4
time divisions of each segment. In each word, bit 0 corresponds to
COM0, on up to bit 3 for COM3.
MPU_DIV[2:0]
2004[2:0]
R/W
The MPU clock divider (from CKCE). These bits may be programmed
by the MPU without risk of losing control.
000 - CKCE, 001 - CKCE/2, …, 111 - CKCE/2
7
MPU_DIV is 000 on power-up.
MUX_ALT
2005[2]
R/W
The MPU asserts this bit when it wishes the MUX to perform ADC
conversions on an alternate set of inputs.
MUX_DIV[1:0]
2002[7:6]
R/W
The number of states in the input multiplexer.
00 - 6 states (I0-I5)
01 - 4 states (I0-I3)
10 - 3 states (I0-I2)
11 - 2 states (I0-I1)
MUX_E
2005[0]
R/W
MUX_SYNC enable. When high, converts SEG7 into a MUX_SYNC
output.


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