Details, datasheet, quote on part number: S3C921F
PartS3C921F
CategoryMicrocontrollers => System On Chip
TitleSystem On Chip
DescriptionSam88rcri Family of 8-bit Single-chip CMOS Microcontrollers
CompanySamsung Semiconductor, Inc.
DatasheetDownload S3C921F datasheet
  

 

Features, Applications

Samsung's SAM88RCRI family of 8-bit single-chip CMOS microcontrollers offer fast and efficient CPU, a wide range of integrated peripherals, and supports OTP device. A dual address/data bus architecture and bit- or nibble-configurable I/O ports provide a flexible programming environment for applications with varied memory and I/O requirements. Timer/counters with selectable operating modes are included to support real-time operations.

The S3C921F can be used for dedicated control functions in a variety of applications, and is especially designed for application with voice synthesizer or etc. The S3C921F/P921F single-chip 8-bit microcontroller is fabricated using an advanced CMOS process. It is built around the powerful SAM88RCRI CPU core. Stop and Idle power-down modes were implemented to reduce power consumption. To increase on-chip register space, the size of the internal register file was logically expanded. The S3C921F/P921F has 64 Kbytes of program ROM and 192 Kbytes of data ROM on-chip (S3C921F), and 720 bytes of RAM including 16 bytes of working register and 128 bytes of LCD display RAM. Using the SAM88RCRI design approach, the following peripherals were integrated with the SAM88RCRI core: Four configurable I/O ports including ports shared with segment/common drive outputs 8-bit programmable pins for external interrupts One 8-bit basic timer for oscillation stabilization and watch-dog functions One 8-bit and one 16-bit timer/counter with selectable operating modes Watch timer for real time Two PWM modules for direct speaker drive

The S3C921F microcontroller is also available in OTP (One Time Programmable) version. S3P921F microcontroller has an on-chip 256 Kbyte one-time-programmable EPROM instead of masked ROM. The S3P921F is comparable to S3C921F, both in function and in pin configuration.

FEATURES

CPU SAM88RCRI CPU core LCD Controller/Driver 64 segments and 16 common terminals 8, 12, and 16 common selectable Internal resistor circuit for LCD bias

Memory × 8 bits program memory(ROM) × 8 bits data memory(ROM) × 8 bits data memory(RAM) (Excluding LCD data memory)

Two PWM Modules 5/6/7/8-bits PWM Selectable Direct speaker drive 2-bit extendable
Instruction Set 41 instructions Idle and Stop instructions added for power-down modes
Voltage Level Detector Programmable low voltage detector Two criteria 4.0 V)
32 I/O Pins I/O: 8 pins I/O: 24 pins(Sharing with segment drive outputs)
Two Power-Down Modes Idle: only CPU clock stops Stop: selected system clock and CPU clock stop
Interrupts 15 interrupt source and 1 vector One interrupt level

Oscillation Sources Crystal, ceramic, or RC for main clock Main clock frequency: 0.4 MHz 8MHz 32.768 kHz crystal oscillation circuit for sub clock

8-Bit Basic Timer Watchdog timer function 3 kinds of clock source

One 8-Bit Timer/Counter 0 Programmable interval timer External event counter function PWM and Capture function Operating Voltage Range - 8MHz

Watch Timer Interval time: 0.25S, 0.5S, and at 32.768 kHz 2/4/8/16 kHz Selectable buzzer output

P4.0/SEG48P4.7/SEG55 RESET TEST Basic Timer XIN RC/X-tal XOUT XTIN XTOUT Main OSC Sub OSC Watch Timer

Timer A Timer B 64-Kbyte ROM 592-Byte Register File LCD Driver/ Controller SEG48/P4.0SEG55/P4.7 SEG56/P3.0SEG63/P3.7


 

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