Rainbow Electronics APC58120 - Manual

INTEGRATED CIRCUITS INC.--
APC58120
www.aplusinc.com.tw Page / 18 VER1.0 1
APC58120 --- COMPRESS VOICE IC
1. Introduction :
APC58120 is a speech-melody chip. APC58120 provides one 10-bit DA
converter and one PWM driving speaker directly. But only one function
can be active at the same time. Besides, a general voice and music
decompression rate provided in the embedded decompression engine is
14.4k bit/sec for maximum and 3.6k bit/sec for minimum, while a
high-quality music decompression rate given in the engine is 24k bit/sec
for maximum and 10k bit/sec for minimum.
2. Features :
ƒ Power supply 2.4V~3.6V(For 2 battery application)
ƒ 8k x 24bit instruction ROM
ƒ 16M x 1 bit Data ROM
ƒ Built-in 1K x16 bit RAM
ƒ Built-in RC 32K oscillator
ƒ 8 bit Timer x 3
ƒ 1 Fix Timer x1
ƒ Watchdog Timer
ƒ 10 bit DAC x1
ƒ 10 bit PWM x1
ƒ 16 bit Port A x1
ƒ 8 bit Port B x1
ƒ 8-level stacks of program counter
ƒ 24-bit instructions
ƒ 16-bit data bus
ƒ 5 interrupt Timer_ A, Timer_ B, Timer_ C, Timer_ D, PA_INT