Bot-CoP - Servo Controller and Walking Machine Chips

BCP28-SVO - MSCC20 20-chan Servo Controller Chip, 28-pin DIP - $18.95.
BCP40-SVO - XSCC20 20-chan Servo Controller Chip, 40-pin DIP - $24.95.
BCP28-WMC - WMC12 12-chan Walking Machine Chip, 28-pin DIP - $28.95.
BCP40-WMC - WMC20 20-chan Walking Machine Chip, 40-pin DIP - $34.95.

OricomTech Bot-CoP Servo Controller Chips are designed for controlling up to 20 R/C servos, via an RS-232 comm link. BCP28-SVO is a basic multi-servo controller, and functions as a slave co-processor to another master controller, such as a PC, OOPic, or Basic Stamp. This chip is sold individually, and also with complete circuit board hardware as our MSCC20 - Multi-Servo Control Computer. The BCP28-WMC and BCP40-WMC chips are self-contained, standalone behavioral control systems, which can also be used as slave co-processors to a master controller. These chips support up to 126 behavioral control sequences, stored in eeprom, for up to 20 servos.		BCP28 BCP40
Features control up to 20 R/C-type servos per chip servo pulse resolution to 1 usec rate-selectable velocity ramping selectable pulse repetition rates all servos refreshed within 20 msec control up to 31 digital I/O lines sample up to 8 A/D channels low battery voltage shutdown external analog & digital trigger sources RS-232 comms at 1200 - 115200 bps simple ASCII commands - view command set.	Applications general servo control robotic walkers robotic arms animatronics servo-powered wheeled robots

BCP28-SVO - 20-channel Multi-Servo Controller Chip - basic servo controller chip, controls up to 20 servos with velocity control, plus digital I/O and A/D converter capabilities. 28-pin DIP. BCP28-WMC - 12-channel Walking Machine Chip - servo controller chip designed for walking machine and animatronics applications, with waveform definition, storage, and execution capability. Controls up to 12 servos, plus has digital I/O, A/D converter, and alarm capabilities. A complete behavioral control system. 28-pin DIP. BCP40-WMC - 20-channel Walking Machine Chip - same as BCP28-WMC, except 40-pin DIP package with additional servo, alarm, I/O, and A/D channels.

--- Feature Comparison --- chip BCP28-SVO BCP28-WMC BCP40-WMC socket - pins DIP 28 DIP 28 DIP 40 crystal (Mhz) 20 20 20 slave operation x x x autonomous operation - x x RS-232 comms (bps) 1200 - 115200 1200 - 115200 1200 - 115200 RS-232 networkable - (possible) (possible) digital I/O channels up to 20 up to 20 up to 31 A/D channels up to 5  (8-bit) up to 5  (10-bit) up to 8  (10-bit) servo channels up to 20 up to 12 up to 20 servo control pulsewidth pulsewidth (and waveform table) pulsewidth (and waveform table) servo pulse range (usec) 500 - 2500 500 - 2500 500 - 2500 servo pulse resolution 1 usec 1 usec (4 usec in waveform mode) 1 usec (4 usec in waveform mode) servo ramping velocity (usec/step) 2 - 1000 2 - 1000 2 - 1000 servo refresh (msec) 10, 15, 20, 25, 30 10, 15, 20, 25, 30 10, 15, 20, 25, 30 undervoltage shutdown x x x trigger / alarm channels 2 9 12 24-hr clock - x x scheduled events - x x eeprom storable behaviors - up to 126 up to 126 auto-reporting to host - x x The BCP28-SVO chip is used in our MSCC20 - Multi-Servo Control Computer. This device can control up to 20 R/C-type servos, and has more than 30 commands providing a large range of control features. It is a slave device which requires a PC or other master controller, such as an OOPic or Basic Stamp, to issue servo movement commands. The Walking Machine Chips have the same servo control instruction set as the MSCC20 chip, but also add approx 40 additional commands for setup and playback of complete behavioral control sequences. Up to 126 sequences can be stored in eeprom. Check here for additional info about Oricom Walking Machine Chips WMCs operate both as autonomous standalone devices with control sequences loaded from eeprom, and also as semi-autonomous devices under the control of a master processor, such as a PC, OOPic, Basic Stamp, or other cpu connected via RS-232 link. Under autonomous control, behaviors are linked sequentially one-to-another on the basis of timing, number of repetitions (such as steps in a walking gait), and also by various trigger-alarm conditions. When connected to a master controller, behavioral sequences can be loaded by direct command.

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