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Product>>8051 MicroController>>STC15W4K56S4 series Selection Table
 
  STC15W4K56S4 series Selection Table  

Type
1T 8051
MCU

Oper
ating
Voltage
(V)

Flash
(byte)

S
R
A
M
(byte)

U
A
R
Y

S
P
I

Co
mm
on
Tim
ers
T0-
T4

8 channels
PWM

SpeIcal
Power
-down
Wake-
up

Timer

Stand
ard
Extern
al
Interru
pts

A/D
8-
channels

C
O
M
P
A
R
A
T
O
R

D
P
T
R

EEP ROM

Internal
Low-
Voltage
Detection
Interrupt

W
D
T

Internal
High-
reliable
Reset
(with
optional
threshold
voltage)

Internal
High-
Pre
cise
Clock

Output
clock
and reset
signal
from
MCU

Encrypti
on
Download
(to
protect
your
code
from
being
intercept
ed)

R
S
4
8
5
C
o
n
t
r
o
l

All
Packages

15-bit special
PWM
(with a
dead-
section
control
er)

10-bit CCP

STC15W4K56S4 series MCU Selection and Price Table
Note: 8 channels PWM can be used as 8 channels DAC, 2 channels CCP can be used as 2 Timers or 2 external interrupts.

STC15W4K16S4

5.5-2.5

16K

4K

4

Y

5

6-ch

2-ch

Y

5

10bits

Y

2

45K

Y

Y

16-level

Y

Y

Y

Y

LQFP64
LQFP48
LQFP44
PDIP40
LQFP32
SOP28
SKDIP28

STC15W4K32S4

5.5-2.5

32K

4K

4

Y

5

6-ch

2-ch

Y

5

10bits

Y

2

29K

Y

Y

16-level

Y

Y

Y

Y

STC15W4K40S4

5.5-2.5

40K

4K

4

Y

5

6-ch

2-ch

Y

5

10bits

Y

2

21K

Y

Y

16-level

Y

Y

Y

Y

STC15W4K48S4

5.5-2.5

48K

4K

4

Y

5

6-ch

2-ch

Y

5

10bits

Y

2

13K

Y

Y

16-level

Y

Y

Y

Y

STC15W4K56S4

5.5-2.5

56K

4K

 

Y

5

6-ch

2-ch

Y

5

10bits

Y

 

5K

Y

Y

16-level

Y

Y

Y

Y

IAP15W4K58S4
(which itself is a emluator)

5.5-2.5

58K

4K

4

Y

5

6-ch

2-ch

Y

5

10bits

Y

2

IAP

Y

Y

16-level

Y

Y

Y

Y

The program Flash in user program area can be used

as EEPROM.

IAP15W4K61S4
(which itself is a emluator)

5.5-2.5

61K

4K

4

Y

5

6-ch

2-ch

Y

5

10bits

Y

2

IAP

Y

Y

16-level

Y

Y

Y

Y

IRC15W4K63S4
(Using external crystal or internal 24MHz clock)

5.5-2.5

63.5K

4K

4

Y

5

6-ch

2-ch

Y

5

10bits

Y

2

IAP

Y

Y

Fixed

Y

Y

N

N

 
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