KS57C0302
The KS57C0302single-chip CMOS microcontroller has been designed for high performance using Samsung's newest 4-bit CPU core.
With comparator inputs, high-current LED direct-drive pins, serial I/O interface, and a versatile 8-bit timer/counter, the KS57C0302 offers an excellent design solution for a wide range of applications such as mouse controllers, subsystem controllers, and toys.
Up to 15 pins of the 20-pin DIP or 20-pin SOP package can be dedicated to I/O. Pull-up resistors are assignable to all of the pins by software. Four vectored interrupts provide fast response to internal and external events.
In addition, the KS57C0302's advanced CMOS technology provides for very low power consumption and a wide operating voltage range.
|
Parameter |
Symbol |
Conditions |
Rating |
Units |
| Supply Voltage |
VDD |
- |
– 0.3 to + 7.0 |
V |
| Input Voltage |
VI |
Ports 0–2 |
– 0.3 to VDD + 0.3 |
V |
| Output Voltage |
VO |
- |
– 0.3 to VDD + 0.3 |
V |
| Output Current High |
IOH |
One I/O port active |
-5 |
mA |
|
All I/O ports active |
-15 |
| Output Current Low |
IOL |
One I/O port active |
25 |
mA |
| All I/O ports active |
100 |
| Operating Temperature |
TA |
- |
– 40 to + 85 |
℃ |
| Storage Temperature |
Tstg |
- |
– 65 to + 150 |
Memory
— 1024 ×8-bit program memory (KS57C0301)
(ROM)
— 2048× 8-bit program memory (KS57C0302)
(ROM)
— 128× 4-bit data memory (KS57C0301) (RAM)
— 256 × 4-bit data memory (KS57C0302) (RAM)
I/O Pins
— Up to 15 pins for 20-DIP and 20-SOP package
Comparator Inputs
— 4-channel mode
Internal reference: 4-bit resolution
— 3-channel mode
External reference
8-Bit Basic Timer
— Programmable interval timer
8-Bit Timer/Counter
— Programmable interval timer
— External event counter function
— Timer clock output to TIO pin
Watch Timer
— Time interval generation: 0.5 s, 3.9 ms at
4.19 MHz
— Four frequency outputs to BUZ pin
Bit Sequential Carrier
— 16-bit serial data transfer in arbitrary format
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
Interrupts
— One external interrupt vector
— Three internal interrupt vectors
— Two quasi-interrupts
Memory-Mapped I/O Structure
Two Power-Down Modes
— Idle mode: Only the CPU clock stops
— Stop mode: Main system clock stops
On-Chip Crystal, Ceramic, Or RC Oscillator
— Crystal/ceramic: 4.19 MHz (typical)
— RC: 1 MHz (typical)
— CPU clock divider circuit (by 4, 8, or 64)
Frequency Outputs
— Eight frequency outputs to the CLO pin
Instruction Execution Times
— 0.95, 1.91, 15.3 μs at 4.19 MHz (5 V),
4 μs at 1 MHz (2.7 V)
Operating Temperature:
— – 40°C to 85°C
Operating Voltage Range:
— 2.7 V to 6.0 V
Package Type:
— 20-DIP, 20-SOP
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