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PDF KS57C0004 Data sheet ( Hoja de datos )

Número de pieza KS57C0004
Descripción (KS57C0002 / KS57C0004) 4-BIT CMOS Microcontroller
Fabricantes Samsung 
Logotipo Samsung Logotipo



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S MSUNG
KS57C0002/0004
4-BIT CMOS Microcontroller
Product Specification
OVERVIEW
The KS57C0002/0004 single-chip CMOS microcontroller is designed for high-performance using Samsung's
newest 4-bit CPU core. With a four-channel comparator, eight LED direct drive pins, serial I/O interface, and a
versatile
8-bit timer/countkxcellent design solution for a variety of general-purpose applications.
Up to 24 pins of the 30-pin SDIP package can be dedicated to I/O. Five vectored interrupts provide fast response
to internal and external events. In addition, the KS57C0002/0004's advanced CMOS technology ensures low
power consumption and a wide operating voltage range.
FEATURES
Memory
• 256 × 4-bit data memory
(KS57C0002)
512 × 4-bit data memory
(KS57C0004)
• 2048 × 8-bit program memory
(KS57C0002)
4096 × 8-bit program memory
(KS57C0004)
24 I/O Pins
• I/O: 18 pins, including 8 high-
current pins
• Input only: 6 pins
Comparator
• 4-channel mode with internal
reference (4-bit resolution)
and 16-step variable
reference voltage
• 3-channel mode with external
reference
• 150 mV resolution (minimum)
8-Bit Basic Timer
• Programmable interval timer
8-Bit Timer/Counter
• Programmable interval timer
• External event counter
function
• Timer/counter clock output to
TCLO0 pin
Watch Timer
• Interval generation: 0.5 s,
3.9ms at 32768 Hz
• Four frequency outputs to the
BUZ pin
8-Bit Serial I/O Interface
• 8-bit transmit/receive mode
• 8-bit receive-only mode
• LSB-first or MSB-first
transmission selectable
• Internal or external clock
source
Bit Sequential Carrier
• Support for 16-bit serial data
transfer in arbitrary format
Interrupts
• Two external interrupt vectors
• Three internal interrupt
vectors
• Two quasi-interrupts
Memory-Mapped I/O Structure
• Data memory bank 15
Power-Down Modes
• Idle mode (only CPU clock
stops)
• Stop mode (system clock
stops)
Oscillation Sources
• Crystal, ceramic, or RC for
system clock (RC is only for
the KS57C0002)
• Crystal, ceramic: 4.19 MHz
(typical)
• RC: 1 MHz
• CPU clock divider circuit
(by 4, 8, or 64)
Instruction Execution Times
• 0.95, 1.91, 15.3 µs at 4.19
MHz
Operating Temperature
• – 40 °C to 85 °C
Operating Voltage Range
• 2.7 V to 6.0 V
Package Type
• 30 SDIP, 32 SOP
2–1
Free Datasheet http://www.Datasheet4U.com

1 page




KS57C0004 pdf
PRODUCT SPECIFICATION
KS57C0002 /0004 MICROCONTROLLER
VDD
P-CHANNEL
IN
N-CHANNEL
Figure 3. Pin Circuit Type 1
IN
SCHMITT TRIGGER
Figure 4. Pin Circuit Type 2
VDD
PULL-UP
RESISTOR
P-CHANNEL
RESISTOR
ENABLE
IN
SCHMITT TRIGGER
Figure 5. Pin Circuit Type 3
VDD
DATA
OUTPUT
DISABLE
P-CHANNEL
OUT
N-CHANNEL
Figure 6. Pin Circuit Type 4
RESISTOR
ENABLE
DATA
OUTPUT
DISABLE
VDD
PULL-UP
RESISTOR
P-CHANNEL
CIRCUIT
TYPE 4
I/O
CIRCUIT TYPE 2
Figure 7. Pin Circuit Type 5
DIGITAL INPUT
ANALOG INPUT
Figure 8. Pin Circuit Type 6
S MSU N G
ELECTRONICS
2–5
September 1996
Free Datasheet http://www.Datasheet4U.com

5 Page





KS57C0004 arduino
PRODUCT SPECIFICATION
KS57C0002 /0004 MICROCONTROLLER
BIT SEQUENTIAL CARRIER (BSC)
The bit sequential carrier (BSC) is a 16-bit general
register that is mapped in data memory bank 15.
Using the BSC, you can specify sequential addresses
and bit locations using 1-bit indirect addressing
(memb.@L).
BSC bit addressing is independent of the current EMB
value. In this way, programs can process 16-bit data
by moving the bit location sequentially and then
incrementing or decrementing the value of the L
register.
For 8-bit manipulations, the 4-bit register names
BSC0 and BSC2 must be specified and the upper and
lower 8 bits manipulated separately. If the values of
the L register are 0H at BSC0.@L, the address and bit
location assignment is FC0H.0. If the L register
content is FH at BSC0.@L, the address and bit
location assignment is FC3H.3.
Table 4. BSC Register Organization
Name
BSC0
BSC1
BSC2
BSC3
Address
FC0H
FC1H
FC2H
FC3H
Bit 3
BSC0.3
BSC1.3
BSC2.3
BSC3.3
Bit 2
BSC0.2
BSC1.2
BSC2.2
BSC3.2
Bit 1
BSC0.1
BSC1.1
BSC2.1
BSC3.1
 PROGRAMMING TIP — Using the BSC Register to Output 16-Bit Data
To use the bit sequential carrier (BSC) register to output 16-bit data (5937H) to the P3.0 pin:
AGN LDB
BITS
EMB
SMB
15
LD EA,#37H
LD BSC0,EA
LD EA,#59H
LD BSC2,EA
SMB
0
LD L,#0H
C,BSC0.@L
LDB P3.0,C
INCS L
JR AGN
RET
;
; BSC0 A, BSC1 E
;
; BSC2 A, BSC3 E
;
;
; P3.0 C
Bit 0
BSC0.0
BSC1.0
BSC2.0
BSC3.0
S MSU N G
ELECTRONICS
2–11
September 1996
Free Datasheet http://www.Datasheet4U.com

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