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HT45F43 Datasheet(PDF) 104 Page - Holtek Semiconductor Inc

Part # HT45F43
Description  8-Bit Flash MCU with Op Amps & Comparators
PDF  152 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT45F43 Datasheet(HTML) 104 Page - Holtek Semiconductor Inc

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OPA1 switch control:
The following table illustrates the relationship between OPA1 control register settings and the
switches:
· HT45F23
OPA1 Control Bits in OPA1C0, OPA1C1
Switch Description
Results
A1PS A1NS A1OFM A1RS
A1PSEL1
A1PSEL0
A1O2N
S4C
S5C
S6C
S8C~
S10C
OPA1 connections
1
1
1
0
00
0
On
On
Off
Off
Calibration mode, A1N
1
1
1
1
00
0
On
On
Off
Off
Calibration mode, A1P
1
1
0
x
00
0
On
On
Off
Off
Input= A1N, A1P
0
1
0
x
01
0
Off
On
Off
S10C On Input= A1N, VH1
0
1
0
x
10
0
Off
On
Off
S9C On
Input= A1N, VM
0
1
0
x
11
0
Off
On
Off
S8C On
Input= A1N, VL1
1
1
0
x
00
1
On
On
On
Off
Input= A1N, A1P,
connect A1N, A1E
1
0
0
x
00
1
On
Off
On
Off
Input= A1P,
OPA1 as unit gain buffer
0
1
0
x
01
0
Off
On
Off
S10C On Input= A1N, VH1
0
1
0
x
10
0
Off
On
Off
S9C On
Input= A1N, VM
0
1
0
x
11
0
Off
On
Off
S8C On
Input= A1N, VL1
· HT45F43
OPA1 Control bits
Switch Description
Results
A1PS
A1NS
A1PSEL1, 0
A1O2N
S4C
S5C
S6C
S8C~S10C
OPA1 connections
1
1
00
0
On
On
Off
Off
Input = A1N, A1P
0
1
01
0
Off
On
Off
S10C On
Input = A1N, VH1
0
1
10
0
Off
On
Off
S9C On
Input = A1N, VM
0
1
11
0
Off
On
Off
S8C On
Input = A1N, VL1
1
1
00
1
On
On
On
Off
Input = A1N, A1P,
Connect A1N, A1E
1
0
00
1
On
Off
On
Off
Input = A1P,
OPA1 as buffer
0
1
01
0
Off
On
Off
S10C On
Input = A1N, VH1
0
1
10
0
Off
Off
Off
S9C On
Input = A1N, VM
0
1
11
0
Off
On
Off
S8C On
Input = A1N, VL1
Rev. 1.20
104
September 15, 2011
HT45F23/HT45F43
8-Bit Flash MCU with Op Amps & Comparators



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