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HT48C30-1 Datasheet

  • HT48C30-1

  • 8-Bit I/O Type Mask MCU

  • 240.99KB

  • 40頁

  • ETC

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HT48R30A-1/HT48C30-1
8-Bit I/O Type MCU
Features
路
Operating voltage:
路
96麓8 data memory RAM
路
Buzzer driving pair and PFD supported
路
HALT function and wake-up feature reduce power
f
SYS
=4MHz: 2.2V~5.5V
f
SYS
=8MHz: 3.3V~5.5V
路
Low voltage reset function
路
25 bidirectional I/O lines (max.)
路
1 interrupt input shared with an I/O line
路
8-bit programmable timer/event counter with overflow
consumption
路
4-level subroutine nesting
路
Up to 0.5ms instruction cycle with 8MHz system clock
at V
DD
=5V
路
Bit manipulation instruction
路
14-bit table read instruction
路
63 powerful instructions
路
All instructions in one or two machine cycles
路
24/28-pin SKDIP/SOP package
interrupt and 8-stage prescaler
路
On-chip RC oscillator, external crystal and RC oscil-
lator
路
32768Hz crystal oscillator for timing purposes only
路
Watchdog Timer
路
2048麓14 program memory ROM
General Description
The device is an 8-bit high performance RISC-like
microcontroller designed for multiple I/O product appli-
cations. The device is particularly suitable for use in
products such as remote controllers, fan/light control-
lers, washing machine controllers, scales, toys and vari-
ous subsystem controllers. A HALT feature is included
to reduce power consumption.
Block Diagram
IN T /P G 0
In te rru p t
C ir c u it
S T A C K
4 L e v e ls
T M R 0
IN T C
T M R 0 C
P G 0
In s tr u c tio n
R e g is te r
M
U
X
W D T S
D A T A
M e m o ry
W D T P r e s c a le r
W D T
M
U
X
M
U
X
P r e s c a le r
T M R /P C 0
M
U
X
f
S
Y S
P ro g ra m
R O M
P ro g ra m
C o u n te r
E N /D IS
S Y S C L K /4
R T C
W D T O S C
O S C
M P
P A C
In s tr u c tio n
D e c o d e r
A L U
T im in g
G e n e ra to r
S h ifte r
M U X
P A
P O R T A
P A 0 ~ P A 7
S T A T U S
P G 1
P G 2
B Z /B Z
P B C
P B
P C C
P O R T C
P O R T B
P B 0 ~ P B 7
O S C 2 /
P G 2
O S
P
R
V
V
C 1 /
G 1
E S
D D
S S
A C C
In te rn a l
R C O S C
P C
P C 0 ~ P C 5
P G C
P G
P O R T G
P G 0 ~ P G 2
Rev. 1.00
1
January 2, 2003

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