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BD64547MUV Datasheet(PDF) 8 Page - Rohm |
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BD64547MUV Datasheet(HTML) 8 Page - Rohm |
8 / 39 page TSZ02201-0P2P0C001400-1-2 16.Nov.2020 Rev.006 TSZ22111 • 15 • 001 8/36 BD64547MUV © 2015 ROHM Co., Ltd. All rights reserved. www.rohm.com Explanation of Block Operation – continued 2 H-Bridge 2.1 Power Save Mode When the SLEEP = L, H-Bridge will cause the circuit to enter standby state, with only SWREG1 and SWREG2 active. Serial ports are reset in power save mode. SLEEP pin Mode L Power Save Mode H Normal (active) Mode Be sure driver outputs are in the OFF state when switching modes with the SLEEP pin. 2.2 ID Setting Setting the identification code of the device with the ID0, ID1 and ID2 pins. ID pin is always monitored. ID2 ID1 ID0 Identification code (D20, D19, D18) L L L Driven by Serial interface 2 L L H 1 (001) L H L 2 (010) L H H 3 (011) H L L 4 (100) H L H 5 (101) H H L 6 (110) H H H 7 (111) Don’t care Don’t care Don’t care All IC reply (000) Identification code 1, 3, 5, 7 is triggered in the falling edge of CLK only, identification code 2, 4, 6 and serial interface 2 is triggered in the rising edge of CLK only. 2.3 MODE Setting The MODE pin changes the drive mode of H-Bridge as follows. MODE Pin state H-Bridge-A H-Bridge-B H OPEN or 5 V DC motor ×2 or Stepping motor (VREF voltage splitting ratio α = 10) M 100 kΩ pull down DC motor ×2 or Stepping motor (VREF voltage splitting ratio α = 5) L GND Don’t use |
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