Cascade Connect Example for 32 Outbits & 8 Commons

Note:

It also can set cascade mode by software. User must set the Slaves in external clock mode with command.

The CS pin must be connected to MCU individually for independent read-write.

HT1632

Rev. 1.00

13

October 2, 2007

L E D

M a t r i x

C S

W R

R D

D A T A

H T 1 6 3 2

( M a s t e r )

C O M 0 ~

C O M 7

O S C

O U T B I T 0 ~

O U T B I T 3 1

C O M 0

C O M 7

8 C o m m o n

D r i v e r s

3 2 O u t b i t

D r i v e r s

O U T B I T 0

O U T B I T 3 1

L E D

M a t r i x

C S

W R

R D

D A T A

H T 1 6 3 2

( S l a v e )

O S C

O U T B I T 0 ~

O U T B I T 3 1

3 2 O u t b i t

D r i v e r s

O U T B I T 0

O U T B I T 3 1

L E D

M a t r i x

C S

W R

R D

D A T A

H T 1 6 3 2

( S l a v e )

O S C

O U T B I T 0 ~

O U T B I T 3 1

3 2 O u t b i t

D r i v e r s

O U T B I T 0

O U T B I T 3 1

C S 1

C S 2

C S 3

W R

R D

D A T A

M C U

S Y N C

S Y N C

S Y N C