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S3FK225

Features: CPU` CalmRISC core (8-bit RISC architecture)Memory` ROM: 8K-word (16K-byte)` RAM: 384-byte (excluding LCD data RAM)Stack` Size: maximum 16 word-level48 I/O Pins` 12 normal I/O pins` 36 I/O pins sharing with LCD signalsBasic Timer` Overflow signal makes a system reset` Watchdog function16...

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SeekIC No. : 004482239 Detail

S3FK225: Features: CPU` CalmRISC core (8-bit RISC architecture)Memory` ROM: 8K-word (16K-byte)` RAM: 384-byte (excluding LCD data RAM)Stack` Size: maximum 16 word-level48 I/O Pins` 12 normal I/O pins` 36 I/O...

S3FK225 Data Sheet

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Part Number:
S3FK225
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/26

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Product Details

Description



Features:

CPU
`  CalmRISC core (8-bit RISC architecture)

Memory
`  ROM: 8K-word (16K-byte)
`  RAM: 384-byte (excluding LCD data RAM)

Stack
`  Size: maximum 16 word-level

48 I/O Pins
`  12 normal I/O pins
`  36 I/O pins sharing with LCD signals

Basic Timer
`  Overflow signal makes a system reset
`  Watchdog function

16-bit Timer/Counter 0
`  Programmable 16-bit timer
`  Interval, capture, PWM mode
`  Match, overflow interrupt

16-bit Timer/Counter 1
`  Programmable 16-bit timer
`  Match interrupt generator

8-bit Timer/Counter 2
`  Programmable 8-bit timer
`  Interval, PWM mode
`  Match, overflow interrupt

8-bit Timer/Counter 3
`  Programmable 8-bit timer
`  Match interrupt/carrier frequency generator

Watch Timer
`  Real-time and interval time measurement
`  Clock generation for LCD
`  Four frequency outputs for buzzer sound (0.5/1/2/4 kHz at 32.768 kHz)

LCD Controller/Driver
`  32 segments and 4 common terminals
`  Static, 1/2 duty, 1/3 duty, 1/4 duty
`  Internal resistor circuit for LCD bias

8-Bit Serial I/O Interface
`  8-bit transmit/receive mode
`  8-bit receive mode
`  LSB-first/MSB-first transmission selectable
`  Internal/external clock source

A/D Converter
`  Eight analog input channels
`  25 ms conversion speed at 8 MHz
`  10-bit conversion resolution
`  Operating voltage: 2.7 V to 5.5 V

D/A Converter
`  One analog output channel
`  10-bit conversion resolution (R-2R)
`  Operating voltage: 2.7 V to 5.5 V

Oscillation Sources
`  Crystal, ceramic, RC for main clock
`  Crystal for sub clock
`  Main clock frequency: 0.48 MHz
`  Sub clock frequency: 32.768 kHz
`  CPU clock divider circuit (divided by 1, 2, 4, 8, 16, 32, 64 or 128)

Two Power-Down Modes
`  Idle (only CPU clock stops)
`  Stop (System clock stops)

Interrupts
`  2 Vectors, 13 interrupts

Instruction Execution Times
`  125 ns at 8 MHz (main clock)
`  30.5 ms at 32.768 kHz (sub clock)

Operating Temperature Range
`  - 25 to 85

Operating Voltage Range
`  2.0 V to 5.5 V at 2 MHz (2MIPS)
`  2.4 V to 5.5 V at 4 MHz (4MIPS)
`  3.0 V to 5.5 V at 8 MHz (8MIPS)

Two Amplifiers
`  Microphone and filter

Package Type
`  64-pin QFP-1420F


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Conditions
Rating
Unit
Supply voltage
VDD
-
0.3 to +6.5
V
Input voltage
VI
-
0.3 to VDD + 0.3
V
Output voltage
VO
-
-0.3 to VDD + 0.3
V
Output current high
IOH
One I/O pin active
-18
mA
All I/O pins active
60
Output current low
IOL
One I/O pin active
+ 30
mA
Total pin current for port
+ 100
Operating temperature
TA
-
25 to + 85
Storage temperature
TSTG
-
65 to + 150




Description

The S3CK225/S3FK225 single-chip CMOS microcontroller is designed for high performance using Samsung's new 8-bit CPU core, CalmRISC.

S3FK225 is an 8-bit low power RISC microcontroller. Its basic architecture follows Harvard style, that is,S3FK225 has separate program memory and data memory. Both instruction and data can be fetched simultaneously without causing a stall, using separate paths for memory access. Represented below is the top block diagram of the almRISC microcontroller.




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