ChipWrights offers a family of products based on the CWvX™ architecture. Ranging from the general purpose parallel DSP to the high performance multimedia SoC, each design offers unmatched performance at low levels of power consumption and a wide variety of peripheral support. With small form factors, low heat dissipation, and copious embedded memory, the CWvX family of DSP's are well suited to a wide variety of applications in the home, office, or on the go.
ChipWrights CWvX Comparison Chart
CWvX ViSP Comparison Chart
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CW4011 |
CW4512 |
CW5521 |
CW5631 |
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| DSP |
8 Datapath SIMD |
8 Datapath SIMD |
16 Datapath SIMD |
16 Datapath SIMD |
| Maximum DSP Frequency |
200 MHz |
210 MHz |
300 MHz |
325 MHz |
| Embedded SRAM |
128 KB |
128 KB |
256 KB |
128 KB |
| External Memory |
16 or 32-bit SDRAM
(max: 256 MB) |
16 or 32-bit SDRAM
(max: 256 MB) |
32-bit DDR-SDRAM
(max: 256 MB) |
32-bit DDR2-SDRAM; (max: 256 MB); automatic power saving modes |
| Video Input |
8 or 16-bit parallel |
8 or 16-bit parallel; CCD,
CMOS sensor support |
8 or 16-bit parallel; CCD,
CMOS sensor support |
8 or 16-bit parallel; CCD, CMOS sensor support; ITU656 decode |
| Video Output |
8 or 16-bit digital |
8 or 16-bit digital; 3x10-bit DAC; analog, digital LCD |
8 or 16-bit digital; 3x10-bit DAC; analog, digital LCD |
8 or 16-bit digital (ITU656); 4x10-bit DAC; analog, digital LCD; NTSC/PAL encoder; OSD assist |
| USB |
No |
1.1 (12 Mbps) |
2.0 HS (480 Mbps) |
2.0 HS OTG (480 Mbps) |
| General Purpose IO |
32 |
56 |
153 |
96 |
| Typical Power Consumption |
350mW @ 1.5V |
750mW @ 1.6V |
625mW @ 1.0V |
350mW @ 1.0V |
| ARM926EJ-S Control Processor |
No |
No |
No |
Yes. 16KB D-Cache; 16KB I-Cache |
| RISC Serial Application Processor |
No |
No |
No |
Yes. 16KB I-Cache |
| Internal Structure |
AHB |
AHB |
2-Level AHB (high speed; peripheral) |
Embedded crossbar: integrated DMA engines; programmable arbitration; AHB for control bus |
| I2C |
Software |
Software |
Software |
Hardware (master, slave) |
| Audio Output |
No |
I2S |
I2S |
I2S |
| Secure Digital/SDIO/MMC |
No |
Yes |
Yes |
One 4-bit, one 8-bit; CE-ATA support |
| IEEE 802.3 10/100 Ethernet |
No |
No |
No |
Yes |
| UART |
1 |
1 |
2 |
3 |
| Real-Time Clock |
No |
No |
No |
Yes |
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