Rainbow Electronics APC5860 - Manual

APLUS INTEGRATED CIRCUITS INC.
APC5860
www.aplusinc.com.tw TEL : 886-2-2782-9266 1
APC5860 DE-COMPRESSION VOICE IC
1. CHIP FEATURES.
z D
UAL OPERATION FREQUENCIES
:
- 32.768 KH Z & 0.5 SECOND TIMER INTERRUPT .
- B UILT - IN PLL CIRCUIT TO GENERATE SYSTEM CLOCK MAX 20MH Z .
z B UILT - IN 2K BYTES (1K*16) RAM.
z A
DDRESS UP TO
8M
BYTE
(4M*16) RAM
OR
ROM
OR
“ROM
AND
RAM”
B UILT - IN 16K BYTE (8K*16) PROGRAM ROM AND 1M BYTE (512K*16) DATA ROM
z B UILT - IN DECOMPRESSION ENGINE
T
HE VOICE AND MUSIC DE
-
COMPRESSION RATE IS AS THE FOLLOWS
:
- 3.6 KBIT / SEC - 4.8 KBIT / SEC - 6.0 KBIT / SEC - 7.2 KBIT / SEC - 8.4 KBIT / SEC - 9.6 KBIT / SEC -
10.8 KBIT / SEC - 12.0 KBIT / SEC - 13.2 KBIT / SEC - 14.4 KBIT / SEC
DE
-
COMPRESSION
RATE
VOICE DURATION
DE
-
COMPRESSION
RATE
VOICE DURATION
3.6
K BIT
/
SEC
37.93 min. 9.6
K BIT
/
SEC
14.22 min.
4.8 K BIT / SEC 28.44 min. 10.8 K BIT / SEC 12.64 min.
6.0
K BIT
/
SEC
22.76 min. 12.0
K BIT
/
SEC
11.38 min.
7.2
K BIT
/
SEC
18.96 min. 13.2
K BIT
/
SEC
10.34 min.
8.4 K BIT / SEC 16.25 min. 14.4 K BIT / SEC 9.48 min.
T
HE
MUSIC
DE
-
COMPRESSION RATE IS AS THE FOLLOWS
:
DE
-
COMPRESSION
RATE
VOICE DURATION
DE
-
COMPRESSION
RATE
VOICE DURATION
10
K BIT
/
SEC 13.65 min. 18
K BIT
/
SEC 7.59 min.
12
K BIT
/
SEC
11.38 min. 20
K BIT
/
SEC
6.83 min.
14 K BIT / SEC 9.75 min. 22 K BIT / SEC 6.21 min.
16
K BIT
/
SEC 8.53 min. 24
K BIT
/
SEC 5.69 min.
z B UILT - IN 12 BITS D/A, 8 BITS ADC.
z I/O
PORTS
16 I/O
PINS FOR PORT A
.
12
OUTPUT FOR PORT B
.
16 I/O
PINS FOR PORT C
.