HT45R22E datasheet(2/72 Pages) HOLTEK

2 / 72 page

Block Diagram

The following block diagram illustrates the main functional blocks.

Pin Assignment

Note: Bracketed pin names indicate non-default pinout remapping locations.

HT45R22E

Rev. 1.00

March 17, 2010

8 - b i t

R I S C

M C U

C o r e

I / O

P o r t s

L C D

S C O M

R O M , R A M

M e m o r y

T i m i n g

G e r n e r a t i o n

P F D

D r i v e r

T i m e r

T i m e

B a s e

O P A x 2 ,

C o m p a r a t o r x 1

E E P R O M

1 0 2 4 x 8

H T 4 5 R 2 2 E

2 0 S O P - A

P A 4 / T C 1 / A 0 P

P A 3 / I N T / A 0 N

P A 2 / T C 0 / A 0 X

P A 1 / P F D / A 1 X

P A 0 / P F D / A 1 N

P C 6 / A 1 P

P C 7 / C P

P C 0 / C N

P C 1 / C X

P B 0 / S C O M 0 / W P

V S S

V D D

P A 5 / O S C 2

P A 6 / O S C 1

P A 7 / R E S

P C 5

P C 4

P B 3 / S C O M 3

P B 2 / S C O M 2 / S D A

P B 1 / S C O M 1 / S C L

2 0

1 9

1 8

1 7

1 6

1 5

1 4

1 3

1 2

1 1

1 0

H T 4 5 R 2 2 E

2 4 S O P - A

2 4

2 3

2 2

2 1

2 0

1 9

1 8

1 7

1 6

1 5

1 4

1 3

1 0

1 1

1 2

V S S

V D D

P A 5 / O S C 2

P A 6 / O S C 1

P A 7 / R E S

P C 5

P C 4

P C 3

P C 2

P B 5

P B 4

P B 3 / S C O M 3

P A 4 / T C 1 / A 0 P

P A 3 / I N T / A 0 N

P A 2 / T C 0 / A 0 X

P A 1 / P F D / A 1 X

P A 0 / P F D / A 1 N

P C 6 / A 1 P

P C 7 / C P

P C 0 / C N

P C 1 / C X

P B 0 / S C O M 0 / W P

P B 1 / S C O M 1 / S C L

P B 2 / S C O M 2 / S D A

HT45R22E Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

HT45R22E Datasheet(HTML) 2 Page - Holtek Semiconductor Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72

Datasheet Download

Link URL