HT45F23 datasheet(62/152 Pages) HOLTEK

62 / 152 page

Rev. 1.20

September 15, 2011

HT45F23/HT45F43

8-Bit Flash MCU with Op Amps & Comparators

T 0 O N

P r e l o a d R e g i s t e r

T i m e r / E v e n t

C o u n t e r

D a t a B u s

R e l o a d

O v e r f l o w

t o I n t e r r u p t

8 - B i t T i m e r / E v e n t C o u n t e r

P F D 0

T i m e r / E v e n t C o u n t e r

M o d e C o n t r o l

7 - s t a g e P r e s c a l e r

T 0 P S C 2 ~ T 0 P S C 0

( 1 / 1 ~ 1 / 1 2 8 )

T 0 M 1 T 0 M 0

f S Y S

T C 0

T 0 E

F i l t e r

F i l t e r O n / O f f

C o n f i g u r a t i o n o p t i o n

C M P 1 O P

T 0 M 0

8-bit Timer/Event Counter 0 Structure

1 6 - B i t

P r e l o a d R e g i s t e r

D a t a B u s

R e l o a d

O v e r f l o w

t o I n t e r r u p t

L o w B y t e

B u f f e r

T 1 O N

H i g h B y t e L o w B y t e

1 6 - B i t T i m e r / E v e n t C o u n t e r

P F D 1

T C 1

T 1 E

T i m e r / E v e n t C o u n t e r

M o d e C o n t r o l

T 1 M 1

T 1 M 0

T 1 S

f S Y S / 4

f S U B

L X T

L I R C

C o n f i g u r a t i o n

O p t i o n

F i l t e r

F i l t e r O n / O f f

C o n f i g u r a t i o n o p t i o n

C M P 2 O P

T 1 M 0

16-bit Timer/Event Counter 1 Structure

Note

1. The PFD clock source, PFD0 or PFD1, which is from Timer0 or Timer1, is selected by PFDSEL

bit in MISC register.

2. The output is controlled by PA5 data.

P F D 0

P F D 1

P F D S E L

P F D

P A 5 D a t a

HT45F23 데이터시트(PDF) 62 Page - Holtek Semiconductor Inc

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