HT45F23A View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
Manufacturer
HT45F23A Datasheet PDF : 148 Pages
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HT45F23A
8-Bit Flash MCU with Op Amps & Comparators
Pin Assignment
VDD
P A 1 /C 1 O U T /T C 0
P A 0 /C N P /S C O M 0
P C 3 /X T 2
P C 2 /X T 1
P C 1 /A N 5 /O S C 1
P C 0 /A N 4 /O S C 2
P B 6 /A N 3 /R E S
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
1 6 N S O P -A
VSS
P A 2 /A 1 P /C 2 O U T
P A 3 /A 1 N /IN T 0
P A 4 /A 1 E /T C 1
P A 5 /A 2 P /P F D
P A 6 /A 2 N /B Z
P A 7 /A 2 E /B Z
P B 3 /A N 0 /S C S
P C 6 /P W M 1 /C 2 P /S C O M 3
P C 5 /P W M 0 /C 1 N /S C O M 2
P C 4 /V R E F /V C A P /S C O M 1
P A 0 /C N P /S C O M 0
P C 3 /X T 2
P C 2 /X T 1
P C 1 /A N 5 /O S C 1
P C 0 /A N 4 /O S C 2
P B 6 /A N 3 /R E S
P B 5 /A N 2 /P IN T
P B 4 /A N 1 /A U D /P C K
P B 3 /A N 0 /S C S
1
24
2
23
3
22
4
21
5
20
6
19
7
18
8
17
9
16
10
15
11
14
12
13
2 4 S S O P -A
P A 1 /C 1 O U T /T C 0
VDD
VSS
P A 2 /A 1 P /C 2 O U T
P A 3 /A 1 N /IN T 0
P A 4 /A 1 E /T C 1
P A 5 /A 2 P /P F D
P A 6 /A 2 N /B Z
P A 7 /A 2 E /B Z
P B 0 /S D O /IN T 1
P B 1 /S D I/S D A
P B 2 /S C K /S C L
P A 1 /C 1 O U T /T C 0
P A 0 /C N P /S C O M 0
P C 3 /X T 2
P C 2 /X T 1
P C 1 /A N 5 /O S C 1
P C 0 /A N 4 /O S C 2
P B 6 /A N 3 /R E S
P B 4 /A N 1 /A U D /P C K
P B 3 /A N 0 /S C S
P B 2 /S C K /S C L
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
2 0 S S O P -A
VDD
VSS
P A 2 /A 1 P /C 2 O U T
P A 3 /A 1 N /IN T 0
P A 4 /A 1 E /T C 1
P A 5 /A 2 P /P F D
P A 6 /A 2 N /B Z
P A 7 /A 2 E /B Z
P B 0 /S D O /IN T 1
P B 1 /S D I/S D A
Pin Description
Pin Name
PA0/CNP/
SCOM0
Function OPT I/T O/T
Description
PA0
PAPU
PAWU
ST CMOS General purpose I/O. Register enabled pull-up, wake-up.
CNP CMP1C1 CMPI — Comparator input pin
SCOM0 LCDC — SCOM Software controlled 1/2 bias LCD COM
PA1/C1OUT/
TC0
PA1
PAPU
PAWU
ST CMOS General purpose I/O. Register enabled pull-up, wake-up.
C1OUT CMP1C1 — CMPO Comparator 1 output pin
TC0
—
ST — External Timer 0 clock input
PA2/A1P/
C2OUT
PA2
PAPU
PAWU
ST CMOS General purpose I/O. Register enabled pull-up, wake-up.
A1P OPA1C1 OPAI — OPA1 non-inverting input pin
C2OUT CMP2C1 — CMPO Comparator 2 output pin
PA3/A1N/INT0
PA3
PAPU
PAWU
ST
CMOS
General purpose I/O. Register enabled pull-up,
wake-up.
A1N OPA1C1 OPAI — OPA1 inverting input pin
INT0
—
ST — External interrupt 0 input pin
PA4/A1E/TC1
PA4
PAPU
PAWU
ST CMOS General purpose I/O. Register enabled pull-up and wake-up.
A1E OPA1C1 — OPAO OPA1 output pin
TC1
—
ST — External Timer 1 clock input
Rev. 1.00
11
July 03, 2012
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