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WM8310 Datasheet(PDF) 217 Page - Wolfson Microelectronics plc |
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WM8310 Datasheet(HTML) 217 Page - Wolfson Microelectronics plc |
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217 / 291 page  Pre-Production WM8310 w PP, May 2012, Rev 3.1 217 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO 11:10 CS2_OFF_RA MP [1:0] 01 ISINK2 Switch-Off ramp 00 = instant (no ramp) 01 = 1 step every 4ms (220ms) 10 = 1 step every 8ms (440ms) 11 = 1 step every 16ms (880ms) The time quoted in brackets is valid for the maximum change in current drive setting. The actual time scales according to the extent of the change in current drive setting. 9:8 CS2_ON_RAM P [1:0] 01 ISINK2 Switch-On ramp 00 = instant (no ramp) 01 = 1 step every 4ms (220ms) 10 = 1 step every 8ms (440ms) 11 = 1 step every 16ms (880ms) The time quoted in brackets is valid for the maximum change in current drive setting. The actual time scales according to the extent of the change in current drive setting. 5:0 CS2_ISEL [5:0] 00_0000 ISINK2 current. Current = 2.0µA × 2^(CS2_ISEL/4), where CS2_ISEL is an unsigned binary number. Alternatively, CS2_ISEL = 13.29 x LOG(current/2.0µA) 00_0000 = 2.0µA 11_0111 = 27.6mA Values greater than 11_0111 will result in the maximum current of approx 27.6mA. Register 404Fh Current Sink 2 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R16464 (4050h) DCDC Enable 7 EPE2_ENA 0 EPE2 Enable request 0 = Disabled 1 = Enabled (Note that the actual status is indicated in EPE2_STS) 6 EPE1_ENA 0 EPE1 Enable request 0 = Disabled 1 = Enabled (Note that the actual status is indicated in EPE1_STS) 3 DC4_ENA 0 DC-DC4 Enable request 0 = Disabled 1 = Enabled (Note that the actual status is indicated in DC4_STS) 2 DC3_ENA 0 DC-DC3 Enable request 0 = Disabled 1 = Enabled (Note that the actual status is indicated in DC3_STS) 1 DC2_ENA 0 DC-DC2 Enable request 0 = Disabled 1 = Enabled (Note that the actual status is indicated in DC2_STS) |
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