Page 1
Digital Playback Processor 1/7 Version 1.0 09/99
Syntek Semiconductor Co., Ltd.
STK86C1051
1. DESCRIPTION:
STK86C1051 is a ROM-embedded playback processor which is able to play up to 30-minute digital
audio or digital voice data. An 65C02 CPU is embedded with data decompression engine. Flexible
Proprietary data compression algorithm is implemented to full use of data memory and to optimize playback
quality.
2.FEATURES:
■ Operating
2.4 to 3.5 V for battery operated applications
32768 Hz resonator applied
■ Low Power Consumption
1 µA at sleep mode
10 µA at stand-by mode
1.5 mA at operation mode
■ GPIO
16-bit programmable I/O port
8 output pins
4 independent chip select pins to external data memory
■ Memory
2 KB on-chip SRAM
8 MB on-chip mask ROM.
■ Audio Interface
On-chip 12-bit DAC for voice/audio data playback
■ Decompression Engine is built-in
Up to 30-minute voice data or up to 15-minute audio
data section dependent bit rate compression
■ Timers are provided
2 Channels 16-bit Interrupt Timers
Watch Dog Timer
Page 2
Digital Playback Processor 2/7 Version 1.0 09/99
Syntek Semiconductor Co., Ltd.
STK86C1051
Algorithm (bps) duration to playback
( 512K X 16 )
Level 1 5K 26min
Level 2 7.3K 18min
Level 3 9.6K 13min
Algorithm(bps) duration to playback
( 512 K X 16 )
Level A1 11.9K 11min
Level A2 14.2K 9min
Level A3 16.5K 8min
Page 3
Digital Playback Processor 3/7 Version 1.0 09/99
Syntek Semiconductor Co., Ltd.
STK86C1051
3.PIN DESCRIPTION
Pin name I/O Count Active Function description
#RES I 1 L Internal pull-up pin to reset whole chip
DAC O 1 Output from DAC
CLK32I I 1 Control signal from 32768 clock
CLK32O O 1 Control signal to 32768 clock
CAP I 1 Capacitor for PLL circuit
PA[15…..0] I/O 16 Port A
PB[11…..0] I/O 8 Port B
VDD1,2,3,4,5 2 Positive power
GND1,2,3,4,5 2 Ground
PLLVDD 1
PLLGND 1
DACVDD 1
DACGND 1
Page 4
Digital Playback Processor 4/7 Version 1.0 09/99
Syntek Semiconductor Co., Ltd.
STK86C1051
4. BLOCK DIAGRAM :
PLL
12-bit
DAC
Timing
&
Power Controll
Watch
Dog
VOICE
ENGINE
2K
SRAM
Timer
8-bit
CPU
GPIO
512K X 16 Mask ROM
I/O
VOICE/AUDIO O/P
O/P
STK86C105
32768 Hz
Crystal
Page 5
Digital Playback Processor 5/7 Version 1.0 09/99
Syntek Semiconductor Co., Ltd.
STK86C1051
5. ABSOLUTE MAXIMUM RATINGS
Operating temperature ........................................................................ 0 to 70 ℃
Storage temperature ...................................................................... -65 to 150 ℃
Supply voltage ............................................................................................... 7 V
Input voltage ........................................................................... -0.6 to Vdd+0.6 V
6. ELECTRICAL CHARACTERISTIC :
Parameter Symbol @Pin Condition Max Typ. Min Unit
Supply Voltage
Vdd 3.5 3.0 2.6
V
Operating current
Idd VDDs
Vdd=3V,Clock sys=8Mhz
mA
Standby current
Istdby VDDs
Vdd=3V,Clock sys=8Mhz
10 1 mA
Sleep mode current
Islp VDDs
Vdd=3V
1 µ
A
Input high voltage
Vih
Vdd=3.0V
V
Input low voltage
Vil
Vdd=3.0V
V
Input high leakage current
Iih
Vih=Vdd
µ
A
Input low leakage current
Iil
Vil=0
µ
A
Output high voltage
Voh
Ioh=-2mA
V
Output low voltage
Vol
Iol=4mA
V
Audio output
Io DAC
Vdd=3V, Rl=100 OHM
mA
Page 6
Digital Playback Processor 6/7 Version 1.0 09/99
Syntek Semiconductor Co., Ltd.
STK86C1051
7.APPLICATION DIAGRAM
STK86C1051
input
output
Page 7
Digital Playback Processor 7/7 Version 1.0 09/99
Syntek Semiconductor Co., Ltd.
STK86C1051
Syntek Semiconductor Co., Ltd.
Customer Information Sheet for STK86C1051
1. Customer's Name : ____________________
2. Project title : _________________________
3. Syntek part number : ___________________ (will be filled by Syntek)
4. Package --------- ( ) Chip ( ) QFP
5. Customer code :
Code form ----------------- ( ) EPROM ( ) file _______________
Checksum ----------------- 00000-3FFFF __________H
40000-7FFFF __________H
80000-BFFFF __________H
C0000-FFFFF __________H
00000-FFFFF __________H
6. Operating conditions :
Operating voltage : ____ - ____ V
Operating frequency : ____ Hz
Operating current : ____ mA
Sleep current : ____ uA
Customer : __________________ Date : __/__/__
Salesman : __________________ Date : __/__/__
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