Chapter 1 Hardware Structure
Note
1. This block diagram represents the OTP devices, for the mask device there is no Device
Programming Circuitry.
2. The UART only exists in the HT49RU80/HT49CU80.
Pin Assignment
P A 0 /B Z
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
P A 1 /B Z
P A 2
P A 3 /P F D
P A 4
P A 5
P A 6
P A 7
P B 0 /IN T 0
P B 1 /IN T 1
P B 2 /T M R
P B 3
P B 4
P B 5
V S S
V L C D
V 1
V 2
C 1
C 2
C O M 0
C O M 1
C O M 2
C O M 3 /S E G 1 8
4 8
4 7
4 6
4 5
4 4
4 3
4 2
4 1
4 0
3 9
3 8
3 7
3 6
3 5
3 4
3 3
3 2
3 1
3 0
2 9
2 8
2 7
2 6
2 5
R E S
O S C 1
O S C 2
V D D
O S C 3
O S C 4
S E G 0
S E G 1
S E G 2
S E G 3
S E G 4
S E G 5
S E G 6
S E G 7
S E G 8
S E G 9
S E G 1 0
S E G 1 1
S E G 1 2
S E G 1 3
S E G 1 4
S E G 1 5
S E G 1 6
S E G 1 7
P A 0 /B Z
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
P A 1 /B Z
P A 2
P A 3 /P F D
P A 4
P A 5
P A 6
P A 7
P B 0 /IN T 0
P B 1 /IN T 1
P B 2 /T M R 0
P B 3 /T M R 1
P B 4
P B 5
V S S
V L C D
V 1
V 2
C 1
C 2
C O M 0
C O M 1
C O M 2
C O M 3 /S E G 3 2
4 8
4 7
4 6
4 5
4 4
4 3
4 2
4 1
4 0
3 9
3 8
3 7
3 6
3 5
3 4
3 3
3 2
3 1
3 0
2 9
2 8
2 7
2 6
2 5
R E S
O S C 1
O S C 2
V D D
O S C 3
O S C 4
S E G 1 0
S E G 1 1
S E G 1 2
S E G 1 3
S E G 1 4
S E G 1 5
S E G 1 6
S E G 1 7
S E G 1 8
S E G 1 9
S E G 2 0
S E G 2 1
S E G 2 2
S E G 2 3
S E G 2 4
S E G 2 5
S E G 2 6
S E G 2 7
H T 4 9 R 3 0 A -1 /H T 4 9 C 3 0 -1 /H T 4 9 C 3 0 L
4 8 S S O P -A
H T 4 9 R 5 0 A -1 /H T 4 9 C 5 0 -1 /H T 4 9 C 5 0 L
4 8 S S O P -A
7
Home Index Bookmark Pages Text
Previous Next
Pages: Home Index