Selection Table
Part No.
Program
Memory
Data
Memory
Data
EEPROM
I/O
Timer
DC/DC
Converter
SPI
Interface
RF
Transceiver
Built-in
OSC
Stack
Package
HT82M75REW
4K
´
15
128
´
8
128
´
8
15
16-bit
´
1
Ö
Ö
Ö
Ö
6
40QFN
(6
´
6
´
0.85mm)
HT82K75REW
4K
´
15
160
´
8
128
´
8
31
16-bit
´
1
Ö
Ö
Ö
Ö
6
64LQFP
Note:
1. There are additional peripherals named RF Transceiver with RF frequency of 2.4GHz and Data EEPROM
with capacity of 128 bytes in HT82M75REW and HT82K75REW devices. All information related to the
RF Transceiver and EEPROM Data Memory will be described in the corresponding section respectively.
2. As devices exist in more than one package format, the table reflects the situation for the package with the
most pins.
Block Diagram
Pin Assignment
HT82M75REW/HT82K75REW
Rev. 1.00
2
June 11, 2010
1 6 - b i t
T i m e r
S P I
I n t e r f a c e
I / O
P o r t s
O T P
P r o g r a m M e m o r y
R A M
D a t a M e m o r y
S t a c k
8 - b i t
R I S C C o r e
I n t e r r u p t
C o n t r o l l e r
R e s e t
C i r c u i t
W a t c h d o g
T i m e r
W a t c h d o g T i m e r
O s c i l l a t o r
V o l t a g e
D e t e c t o r
I n t e r n a l
R C O s c i l l a t o r
D C / D C
R F
T r a n s m i t t e r
E E P R O M
D a t a M e m o r y
4 7
4 6
4 5
4 4
4 3
4 2
4 1
2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2
3 3
3 4
3 5
3 6
3 7
3 8
3 9
4 0
6 4 6 3 6 2 6 1 6 0 5 9 5 8 5 7 5 6 5 5 5 4 5 3 5 2 5 1 5 0 4 9
4 8
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7 1 8 1 9 2 0
H T 8 2 K 7 5 R E W
6 4 L Q F P - A
P A 6
P A 7
P D 0
P D 1
P D 2
P D 3
P D 4
P D 5
P D 6
P D 7
G P I O 2
G N D _ D
G P I O 1
G P I O 0
V D D _ D
V D D _ 2 V 2
P B 3
P B 2
P B 1
P E 0
P E 1
P E 2
P E 3
P E 4
P E 5
P E 6
P E 7
V S S
V D D
V D D _ R F 2
N C
R F _ N
P
B
4
P
B
5
P
B
6
P
B
7
LX
V
S
S
LX
B
A
T_
IN
V
D
D
V
S
S
R
E
S
P
A
0
P
A
1
P
A
2
P
A
3
P
A
4
P
A
5
R
F_
P
N
C
V
D
D
_R
FI
D
B
5
LO
O
P
_C
D
B
5
V
D
D
_V
C
O
V
D
D
_C
P
V
D
D
_P
LL
G
D
N
_P
LL
X
TA
L_
P
X
TA
L_
N
D
B
4
V
D
D
_A
V
D
D
_G
R
/V
D
D
_B
G
V
D
D
_3
V
H T 8 2 M 7 5 R E W
4 0 Q F N - A
R F _ N
V D D _ R F 2
N C
V D D
V S S
V D D
B A T _ I N
V S S L X
L X
R E S
V
D
D
_3
V
/V
D
D
_G
R
/V
D
D
_B
G
V
D
D
_A
X
TA
L_
N
X
TA
L_
P
V
D
D
_P
LL
V
D
D
_C
P
V
D
D
_V
C
O
LO
O
P
_C
V
D
D
_R
F1
R
F_
P
P
B
6
P
B
7
P
A
0
P
A
1
P
A
2/T
M
R
P
A
3
R
A
4
P
A
5
P
A
6
P
A
7
1
2
3
4
5
6
7
8
9
1 0
1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 0
3 1
3 2
3 3
3 4
3 5
3 6
3 7
3 8
3 9
4 0
V D D _ 2 V 2
V D D _ D
G P I O 0
G P I O 1
G P I O 2
P B 1
P B 2
P B 3
P B 4
P B 5
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