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参数资料
| 型号： | 48e30 |
| 厂商： | Holtek Semiconductor Inc. |
| 英文描述： | 8-Bit I/O Type MCU (With EEPROM) |
| 中文描述： | 8位I / O型微控制器（带EEPROM） |
| 文件页数： | 1/44页 |
| 文件大小： | 351K |
| 代理商： | 48E30 |
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HT48E30
8-Bit I/O Type MCU (With EEPROM)
Block Diagram
Rev. 0.00
1
January 12, 2004
General Description
The HT48E30 is an 8-bit high performance, RISC archi-
tecture microcontroller device specifically designed for
multiple I/O control product applications.
The advantages of low power consumption, I/O flexibil-
ity, timer functions, oscillator options, HALT and
wake-up functions, watchdog timer, buzzer driver, as
well as low cost, enhance the versatility of these devices
to suit a wide range of application possibilities such as
industrial control, consumer products, subsystem con-
trollers, etc.
Features
Operating voltage:
fSYS=4MHz: 2.2V~5.5V
fSYS=8MHz: 3.3V~5.5V
Low voltage reset function
23 bidirectional I/O lines (max.)
1 interrupt input shared with an I/O line
8-bit programmable timer/event counter with overflow
interrupt and 8-stage prescaler
On-chip crystal and RC oscillator
Watchdog Timer
204814 program memory ROM (MTP)
1288 data memory EEPROM
968 data memory RAM
Buzzer driving pair and PFD supported
HALT function and wake-up feature reduce power
consumption
4-level subroutine nesting
Up to 0.5ms instruction cycle with 8MHz system clock
at VDD=5V
Bit manipulation instruction
14-bit table read instruction
63 powerful instructions
106 erase/write cycles EEPROM data memory
EEPROM data retention > 10 years
All instructions in one or two machine cycles
In system programming (ISP)
24/28-pin SKDIP/SOP package
I N T / P G 0
O S C 2
O S C 1
R E S
V D D
M U X
T M R / P C 0
T M R 0 C
T M R 0
V S S
P r e s c a l e r
f S Y S
P G 0
P r o g r a m
R O M
P r o g r a m
C o u n t e r
I n t e r r u p t
C i r c u i t
S T A C K
4 L e v e l s
I N T C
D A T A
M e m o r y
I n s t r u c t i o n
R e g i s t e r
M
U
X
I n s t r u c t i o n
D e c o d e r
S T A T U S
A L U
S h i f t e r
T i m i n g
G e n e r a t o r
A C C
M
U
X
M P
W D T S
W D T
W D T O S C
W D T P r e s c a l e r
M
U
X
E N / D I S
P G 1
P G 2
P G C
P G
P O R T G
P B C
P O R T B
P B 0 ~ P B 7
B Z / B Z
P B
P A C
P O R T A
P A 0 ~ P A 7
P A
P C
P O R T C
P C 0 ~ P C 5
P C C
M
U
X
f S Y S / 4
P G 0
D a t a M e m o r y
E E P R O M
E E C R
Preliminary
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