Generalplus GPRT5507A
The GPRT5507A integrates an 8-bit CPU, speech generator, segment LED driver, analog switches, programmable attenuator and a gain amplifier into one chip. The GPRT5507A includes a 40K-byte ROM, 128-byte working SRAM, 4 edge-mode interrupts and a fixed time based generator (FCPU/1024)*. This chip which incorporated with 1 or 2 pieces of 4M X 4 ARAM, can be applied to the versatile audio field, such as a language repeater.
| Part No. |
GPRT5507A |
| Datasheet |
GPRT5507A
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| Manufacturer |
 Generalplus |
| Description |
LANGUAGE REPEATER |
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GENERAL DESCRIPTION
*FCPU: CPU clock 2. FEATURES
8-bit microprocessor Provide 40K x 8 ROM area for program and audio data 128 x 8 working SRAM Embedded LPF, ADC, DAC for analog processing Provide controlled DRAM interfaces 4 Interrupt sources Built in watch dog timer ROSC. or Crystal OSC. selections Provide low battery detector Provide power down mode 3. BLOCK DIAGRAM XI, XO RESET CPU SRAM 128 x 8 MASK ROM 40K x 8 I/O DECODER LOW BATTERY POWER FAIL ARAM INTERFACE RAS, CAS1, CAS2, W, OE A11 .... A0 D3
