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TC9349AFG Datasheet(PDF) 1 Page - Toshiba Semiconductor |
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TC9349AFG Datasheet(HTML) 1 Page - Toshiba Semiconductor |
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1 / 129 page  TC9349AFG 2006-02-24 1 TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC9349AFG Single-Chip DTS Microcontroller (DTS-21) The TC9349AFG is a single-chip DTS microcontroller for portable audio incorporating a 30 MHz prescaler, PLL, and LCD driver. In addition to an IF counter, serial interface and buzzer function, the device incorporates an interrupt function, timer counter, pulse counter, electronic volume function and A/D converter The device also supports selection of 1/4-duty 1/2 bias or 1/4-duty 1/3 bias for the LCD driver, while a built-in 3 V voltage doubler boosting circuit implements stable operation of the LCD monitor. The power supply voltage ranges from 0.9 V to 1.8 V. Due to its low-current consumption, the device is suitable for use in digital tuning systems in portable equipment such as headphone stereos. Features • CMOS DTS microcontroller LSI with built-in prescaler PLL and LCD driver • Operating voltage range: VDD = 0.9 to 1.8 V (typ.: 1.5 V) • Current dissipation: With CPU in operation: IDD = 150 µA (typ.) With PLL in operation: IDD = 1 mA (typ. At inputting OSCin = 30 MHz) • Operating temperature range: Ta = −10 to 60°C • Program memory (ROM): 16-bit × 8192 steps • Data memory (RAM): 4-bit × 512 words • Oscillator frequency: Crystal oscillator: 75 kHz (crystal oscillator) High-speed oscillator: 300 to 600 kHz (ceramic oscillator or crystal oscillator) • Instruction execution time: Crystal oscillator: 40 µs High-speed oscillator: 5 to 10 µs • Interrupt: External: 2 system (INTR1, INTR2 pin) Internal: 4 system (serial-interface, timer-port, timer-counter, decreased voltage detection) • Interrupt stack: 4 level × 26 bit G-register, Data select, Carry flag, Data register • Address stack: 16 level × 13 bit (program counter) • I/O port: CMOS I/O port: 36 (max) N-ch open-drain I/O port: 9 (max) Exclusive output port: 2 (max), exclusive input port: 1 (max) • LCD driver: 1/4 duty, 1/2 bias or 1/4 duty, 1/3 bias: 72 segments (max) • Serial Interface: 1 system, 2 channel (N-ch open-drain, CMOS I/O port), 3 kinds (3-wired, 2-wired, UART) • Buzzer: 4 kinds of frequency (1 kHz, 1.56 kHz, 2.08 kHz, 3 kHz), 4 modes (continuous, single-shot, 10 Hz intermittent, 10 Hz intermittent 1 Hz interval) • Timer counter: 8 bit, 2 kinds of timer clock (25 kHz, 1 kHz), 2 modes (timer counter, pulse width measure (INTR1 pin)) • Pulse counter: 8 bit up/down counter • Electronic volume: 2 channel, 32 step (0 dB to −78 dB, −∞dB) • A/D converter: 6 bit, 4 channel, conversion time: 240 µs • Amplifier for LPF: 5.5 V output max. (Tout, Tin) • DC/DC converter of VT: 2 stage (0.75 V, 1.0 V) voltage detected (VDET) 15 kinds of doubler clock, 2 types of doubler clock output (CMOS output: DDCK2, N-ch output: DDCK1) Weight: 0.32 g (typ.) |
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