TMC222-SI TRINAMIC, TMC222-SI Datasheet - Page 29

• Manufacturer Part Number: TMC222-SI
• Description: IC, MOTOR CTRL/DRVR, STEPPER, SOIC-20
• Manufacturer: TRINAMIC

Specifications of TMC222-SI

• Motor Type: Stepper
• No. Of Outputs: 4
• Output Current: 800mA
• Supply Voltage Range: 8V To 29V
• Driver Case Style: SOIC
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +125°C
• Device Type: Motor
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TMC222 DATASHEET (V. 1.06 / March 15, 2007)
6.7 Application Commands Overview
Communications between the TMC222 and a Two Wire Serial Bus Master takes place via a set of
commands.
Reading commands are used to:
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Writing commands are used to:
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Copyright © 2004-2007 TRINAMIC Motion Control GmbH & Co. KG
Get actual status information, e.g. error flags
Get actual position of the Stepper Motor
Verify the right programming and configuration of the TMC222
Program the OTP Memory
Configure the TMC222 with motion parameters (e.g. max/min speed, acceleration, stepping
mode, etc.)
Provide target positions to the Stepper motor
GetFullStatus1
GetFullStatus2
GetOTPParam
GotoSecurePosition Drives motor to secure position
HardStop
ResetPosition
ResetToDefault
RunInit
SetMotorParam
SetOTPParam
SetPosition
SoftStop
Table 15: Two-Wire-Serial-Interface - Command Overview (in alphabetical order)
Mnemonic
Command
Returns complete status of the chip
Returns actual, target and secure position
Returns OTP parameter
Immediate full stop
Sets actual position to zero
Overwrites the chip RAM with OTP contents
Reference Search
Sets motor parameter
Zaps the OTP memory
Programmers a target and secure position
Motor stopping with deceleration phase
Function
Command Byte
(hexadecimal)
0xFC
0x8B
0x8F
0x81
0x82
0x84
0x85
0x86
0x87
0x88
0x89
0x90
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