TMP91xy25FG Toshiba, TMP91xy25FG Datasheet - Page 216

• Manufacturer Part Number: TMP91xy25FG
• Manufacturer: Toshiba

Specifications of TMP91xy25FG

• Package: LQFP100
• Rom Types(m=mask,p=otp, F=flash,e=eeprom): Romless
• Rom Combinations: Romless
• Ram Combinations: Ramless
• Architecture: 16-bit CISC
• Usb/spi Channels: -
• Uart/sio Channels: 2
• I2c/sio Bus Channels: -
• (s)dram Controller: -
• Adc 10-bit Channel: 4
• Da Converter: -
• Timer 8-bit Channel: 4
• Timer 16-bit Channel: -
• Pwm 8-bit Channels: -
• Pwm 16-bit Channels: -
• Cs/wait Controller: 4
• Dual Clock: Y
• Number Of I/o Ports: 49
• Power Supply Voltage(v): 3.0 to 3.6

3.15 Melody/Alarm Generator
the MLDALM pin. 5 kinds of fixed cycle interrupts are generated by the 15-bit free-run counter
which is used for alarm generator.
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TMP91C025 incorporates melody function and alarm function, both of which are output from
Features are as follows.
This section is constituted as follows.
3.15.1 Block Diagram
3.15.2 Control Registers
3.15.3 Operational Description
Melody generator
low-speed clock (32.768 kHz) and outputs several signals from the MLDALM pin.
Alarm generator
(4096 Hz) determined by the low-speed clock (32.768 kHz). And this waveform is able to
invert by setting a value to a register.
generated by the free-run counter which is used for alarm generator.
Special mode
(00E3hex). These bits are used when you want to operate LCDD and MELODY circuit
without low-frequency clock (XTIN, XTOUT). After reset these two bits set to “0” and low
clock is supplied each LCDD and MELODY circuit. If you write these bits to “1”, TA3
(Generate by timer3) is supplied each LCDD and MELODY circuit. In this case, you should
set 32 kHz timer3 frequency. For detail, look AC specification characteristics.
The melody function generates signals of any frequency (4 Hz to 5461 Hz) based on
By connecting a loud speaker outside, melody tone can sound easily.
The alarm function generates 8 kinds of alarm waveform having a modulation frequency
By connecting a loud speaker outside, Alarm tone can sound easily.
And also 5 kinds of fixed cycle (1 Hz, 2 Hz, 64 Hz, 512 Hz, and 8192 Hz) interrupts are
It is assigned <TA3LCDE> at bit0 and <TA3MLDE> at bit1, of EMCCR0 register
3.15.3.1 Melody Generator
3.15.3.2 Alarm Generator
91C025-215
TMP91C025
2007-02-28