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HT45F23 Datasheet(PDF) 106 Page - Holtek Semiconductor Inc

Part # HT45F23
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

HT45F23 Datasheet(HTML) 106 Page - Holtek Semiconductor Inc

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OPA2 switch control:
The following table illustrates the relationship between OPA2 control register settings and the
switches:
· HT45F23
OPA2 Control Bits in OPA2C0, OPA2C1, OPA2C2
Switch Description
Results
A2PS
A2NS
A2OFM
A2RS
A2PSEL1
A2PSEL0
A1O2A2P
A1O2A2N PGAEN A2O2N
S4D
S5D
S6/7D
S8D
S9D
S11D
S12D~
S14D
OPA2 connections
1
0
1
1
00
0
0
0
0
On
On
Off
Off
Off
Off
Off
Calibration mode, Input = A2P
1
1
1
0
00
0
0
0
0
On
On
Off
Off
Off
Off
Off
Calibration mode, Input = A2N
1
1
0
x
00
0
0
0
0
On
On
Off
Off
Off
Off
Off
Normal mode, Input = A2N, A2P
0
1
0
x
01
0
0
0
0
Off
On
Off
Off
Off
Off
S12D On Input = A2N, VH1
0
1
0
x
10
0
0
0
0
Off
On
Off
Off
Off
Off
S13D On Input = A2N, VM
0
1
0
x
11
0
0
0
0
Off
On
Off
Off
Off
Off
S14D On Input = A2N, VL1
0
1
0
x
00
1
0
0
0
Off
On
Off
Off
Off
On
Off
Input = A2N, A1E
1
0
0
x
00
0
1
0
0
On
Off
Off
On
Off
Off
Off
Input = A1E, A2P
1
1
0
x
00
0
0
1
0
On
On
On
Off
Off
Off
Off
Input = A2N, A2P
1
0
0
x
00
0
0
1
0
On
Off
On
Off
Off
Off
Off
Input = A2N, A2P
1
0
0
x
00
0
0
0
1
On
Off
Off
Off
On
Off
Off
Input = A2P, OPA2 as buffer
0
0
0
x
01
0
0
0
1
Off
Off
Off
Off
Off
Off
S12D On Input = VH1, OPA2 as buffer
0
0
0
x
10
0
0
0
1
Off
Off
Off
Off
Off
Off
S13D On Input = VM, OPA2 as buffer
0
0
0
x
11
0
0
0
1
Off
Off
Off
Off
Off
Off
S14D On Input = VL1, OPA2 as buffer
· HT45F43
OPAs Control Bits
Switch Description
Results
A2PS
A2NS
A2PSEL1, 0
A1O2A2P
A1O2A2N
PGAEN
A2O2N
S4D
S5D
S6/7D
S8D
S9D
S11D
S12D~
S14D
OPA2 Connections
1
1
00
0
0
0
0
On
On
Off
Off
Off
Off
Off
Normal mode, Input = A2N, A2P
0
1
01
0
0
0
0
Off
On
Off
Off
Off
Off
S12D On
Input = A2N, VH1
0
1
10
0
0
0
0
Off
On
Off
Off
Off
Off
S13D On
Input = A2N, VM
0
1
1
0
0
0
0
Off
On
Off
Off
Off
Off
S14D On
Input = A2N, VL1
0
1
00
1
0
0
0
Off
On
Off
Off
Off
On
Off
Input = A2N, A1E
1
0
00
0
1
0
0
On
Off
Off
On
Off
Off
Off
Input = A1E, A2P
1
1
00
0
0
1
0
On
On
On
Off
Off
Off
Off
Input = A2N, A2P
1
0
00
0
0
1
0
On
Off
On
Off
Off
Off
Off
Input = A2N, A2P
1
0
00
0
0
0
1
On
Off
Off
Off
On
Off
Off
Input = A2P, OPA2 as buffer
0
0
01
0
0
0
1
Off
Off
Off
Off
Off
Off
S12D On
Input = VH1, OPA2 as buffer
0
0
10
0
0
0
1
Off
Off
Off
Off
Off
Off
S13D On
Input = VM, OPA2 as buffer
0
0
11
0
0
0
1
Off
Off
Off
Off
Off
Off
S14D On
Input = VL1, OPA2 as buffer
Rev. 1.20
106
September 15, 2011
HT45F23/HT45F43
8-Bit Flash MCU with Op Amps & Comparators



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