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SNC21000 is a one-channel voice synthesizer IC with 12-bit Push-Pull direct drive circuit.

Features:
- Single power supply 2.4V to 5.5V
- voice capacity: 30s - 340s (@ 6KHz sampling rate)
- 128*4 bits RAM are provided
- Maximum 16k program ROM is provided
- 4 I/O with hardware PWM control
- Support up to 16 I/O ports
- Large driving/sink current ability in P3.2 & P3.3 (up to 8mA/16mA)
- Built-in 12-bit direct drive push-pull output
- Support Event Mark function
- Support IR function
- Low Voltage Detect
- Watch Dog Timer Supported



Item P/N ROM RAM Port Duration
*10-bit *4-bit i/p +i/o+ o/p 6k 8k
  SNC21030 SXC2162KDXXX 96K 128 0 + 12 + 0 30 24
  SNC21040   128K 16 0 + 12 + 0 40 32
  SNC21060   184K 16 0 + 12 + 0 60 46
  SNC21085 SXC2192KDXXX 256K 16 0 + 12 + 0 85 64
  SNC21121   384K 16 0 + 12 + 0 120 96
  SNC21169   128K 16 0 + 12 + 0 168 128
  SNC21201   640K 16 0 + 12 + 0 200 160
  SNC21040A SXC2172KDXXX 128K 128 0 + 12 + 0 40 32
  SNC21060A SXC2182KDXXX 184K 128 0 + 12 + 0 60 46
  SNC21085A SXC2093KDXXX 256K 128 0 + 12 + 0 85 64
  SNC21085P   256K 128 0 + 12 + 0 85 64
  SNC21120A SXC20A4KDXXX 384K 128 0 + 12 + 0 120 96
  SNC21168A SXC20B4KDXXX 512K 128 0 + 16 + 0 168 128
  SNC21301 SXC20E4KDXXX 912K 128 0 + 16 + 0 300 228
  SNC21269 SXC20D4KDXXX 810K 128 0 + 16 + 0 268 202
  SNC21341   1024K 128 0 + 16 + 0 340 256
  SNC21030A   96K 80 0 + 12 + 0 30 24
  SNC21031A   96K 80 0 + 8 + 0 30 24
  SNC21041A   128K 80 0 + 8+ 0 40 32
  SNC21061A   184K 80 0 + 8 + 0 60 46
  SNC21200A   640K 128 0 + 16 + 0 200 160
  SNC21268A   816K 128 0 + 16 + 0 268 202
  SNC21300A   912K 128 0 + 24 + 0 300 228
  SNC21340A   1024K 128 0 + 24+ 0 340 256
  SNC21401A   1220K 128 0 + 24+ 0 400 -
  SNC21501A   1536K 128 0 + 24+ 0 500 -

Click here for old SNC21K series

Development Tools:
Hardware: EV Board, Keyboard, OTP
Software: Compiler


ASSEMBLY ver 1.7
  Assembly program menu
 
EASY ver 3.5
  Easy program menu
 
C-like Syntax ver 1.3
  Easy program menu
 
EV Board Setup ver 1.2 [2009-10-19]
  EV Board, OTP Board, Flash Board setting and download
 
EV Board Setup ver 1.0 [2009-9-7]
  32M Flash Board (support up to SNC21500A )
 
ICE ver 1.2 [2008-10-30]
  ICE Board
 
SNC21 vs SNC21A comparsion
  Comparsion between SNC21K and SNC21KA series
 
KODEC W29C040 adaptor board programming procedure
  Programming guide for KODEC W29C040 adapator board
 
Flash Board Burning/Programming Procedure
  Programming procedure for Flash board
 
EZ Preview Quick Start Guide
  EZ Preview menu
 
EZ I/O Quick Start Guide
  EZ I/O menu
 
Bonding Diagram  
  Bonding diagram