HT48CA5 查看數據表（PDF） - Holtek Semiconductor

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HT48CA5

Remote Type 8-Bit MCU

Holtek Semiconductor 

Block Diagram

HT48RA5/HT48CA5

P F 0 /IN T

P ro g ra m

ROM

In s tr u c tio n

R e g is te r

P ro g ra m

C o u n te r

BP

STAC K

In te rru p t

C ir c u it

IN T C

MP

M

U

X

D ATA

M e m o ry

In s tr u c tio n

D ecoder

T im in g

G e n e ra to r

O SC2

O SC1

RES

VDD

VSS

M UX

A LU

S h ifte r

STATU S

ACC

TM R 1C

M

U

TM R 1

X

fS Y S /4

P C 5 /T M R 1

TM R 0

TM R 0C

M

U

P r e s c a le r

fS Y S

X

P C 0 /T M R 0

E N /D IS

W D TS

M

fS Y S /4

W D T P r e s c a le r

W DT

U

X

W DT O SC

PAC PO RT A

PA

PFD

PBC PO RT B

PB

P A 0~P A 7

P B 0 /P F D

P B 1~P B 7

PCC PO RT C

PC

P C 0 /T M R 0

P C 1~P C 4

P C 5 /T M R 1

PFC

PO RT F

PF

P F 0 /IN T

Pin Assignment

PB5 1

PB4 2

PA3 3

PA2 4

PA1 5

PA0 6

PB3 7

PB2 8

PB1 9

P B 0 /P F D 1 0

V S S 11

P F 0 /IN T 1 2

P C 0 /T M R 0 1 3

P C 1 14

28 P B 6

27 P B 7

26 P A 4

25 P A 5

24 P A 6

23 P A 7

22 O S C 2

21 O S C 1

20 V D D

19 R E S

1 8 P C 5 /T M R 1

17 P C 4

16 P C 3

15 P C 2

H T 4 8 R A 5 /H T 4 8 C A 5

2 8 S O P -A /S S O P -A

Rev. 1.40

2

May 22, 2009

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