S1C17653
16-bit Single Chip Microcontroller
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16KB MTP ROM(Three times): Read/program protection function, 2KB RAM
*A programming power supply (VPP) is required.
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Generates the operating clocks with the built-in oscillators.
- OSC3B oscillator circuit: 2 MHz/1 MHz/500 kHz (typ.) internal oscillator circuit
- OSC3A oscillator circuit: 4.2 MHz (max.) crystal or ceramic oscillator circuit
- OSC1B oscillator circuit: 32 kHz (typ.) internal oscillator circuit
- OSC1A oscillator circuit: 32.768 kHz (typ.) crystal oscillator circuit
LCD driver Number of driver outputs: 32Seg. x 4Com.
Shipping form: TQFP14-80PIN(12×12×1mm), Die
RISC CPU core S1C17: the compact code optimized for C, and high throughput of an
instruction/clock, supports serial ICE
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■DESCRIPTIONS
The S1C17653 is suitable for battery driven applications with up to 80-seg LCD, such as OTP (One Time
Password) products, Price TAG, and watches.
FEATURES
The main features of the S1C17653 are listed below.
CPU
CPU core
Multiplier/Divider (COPRO)
Seiko Epson original 16-bit RISC CPU core S1C17
• 16-bit × 16-bit multiplier
• 16-bit × 16-bit + 32-bit multiply and accumulation unit
• 16-bit ÷ 16-bit divider
Embedded Flash memory
Capacity
Erase/program count
Other
16K bytes (for both instructions and data)
Three times
• Read/program protection function
• A programming power supply (VPP) is required.
• Allows on-board programming using a debugging tool such as ICDmini.
Embedded RAM
Capacity
2K bytes
Clock generator
System clock source
OSC3B oscillator circuit
OSC3A oscillator circuit
OSC1B oscillator circuit
OSC1A oscillator circuit
System clock source
2M/1M/500k Hz (typ.) internal oscillator circuit
4.2 MHz (max.) crystal or ceramic oscillator circuit
32 kHz (typ.) internal oscillator circuit
32.768 kHz (typ.) crystal oscillator circuit
Oscillation adjustment by theoretical regulation
• Core clock frequency control
Other
• Peripheral module clock supply control
LCD driver
Number of driver outputs
Other
Segment output: 32 pins, Common output: 4 pins
• Includes a power supply voltage booster/reducer.
• Includes a display data memory.
I/O ports
Number of general-purpose I/O ports
Other
Max. 12 bits (Pins are shared with the peripheral I/O.)
• Schmitt input
• Pull-up control function
• Port input interrupt: 8 bits
Serial interfaces
SPI
1 channel
UART
1 channel (IrDA1.0 supported)
Timers/Counters
8-bit timer (T8)
16-bit PWM timer (T16A2)
Watchdog timer (WDT)
Clock functions
1 channel (Generates the SPI clock.)
1 channel (PWM output, event counter, and count capture functions)
1 channel (Generates NMI/reset.)