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XR18910IL-66 Datasheet(PDF) 6 Page - Exar Corporation |
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XR18910IL-66 Datasheet(HTML) 6 Page - Exar Corporation |
6 / 19 page 6/19 REV1A Electrical Characteristics (Continued) Table 1. Register List Reg No. Name Function R/ W/ C Byte of Parameter Parameter Default Code Power-up Condition Remark Hex Dec 0x00 0 NOP No operation C 0 N/A Does not execute a function. NOP is used to test successful I2C communication Reset 0x01 1 SW_RESET Software reset C 0 N/A Resets all registers to default values Read ID 0x02 2 DEVICE_ID Read Device ID R 2 [15:0]: report “8910” in BCD 0x8910 Instructs the XR18910 to report its device ID 8910 in binary form (1000 1001 0001 0000) 0x03 3 VERSION_ID Read HW & SW version numbers R 2 [15:12]: reserved [11:8]: Hardware version # [7:0]: Software version # N/A Initial H/W version number is ‘0’; Initial S/W version number is ‘01’. Sleep in/out 0x04 4 SLEEP_OUT_ REG Normal operating mode, system active C 0 N/A Active Puts the XR18910 into active mode. (wake up) 0x05 5 SLEEP_IN_ REG Sleep Mode C 0 N/A Active Puts the analog portion of the XR18910 into sleep mode. During sleep mode, the only I2C command that can be received/processed is the SLEEP_OUT command (0x04). All other register addresses will be ignored. Basic Config 0x06 6 Gain Gain select R/W 1 [2:0]: Gain select 0x00 Gain = 2 Eight gain settings are selectable (from 2V/V to 760V/V), refer to the Gain Register Table for more information. 0x07 7 LDO LDO Settings R/W 1 [0]:LDO 3V, 2.65V [1]:LDO disable 0x00 LDO = 3V Bit 0 controls the LDO voltage (0:3V;1:2.65V). Bit 1 (Sleep Mode only). Bit 1 controls whether the LDO shuts down or stays on during Sleep Mode. (0: Enable; 1: Disable). When the XR18910 is active, the LDO is always on. 0x08 8 LDO Current Sense Select LDO Current Sense C 0 N/A Off When on, the LDO current is sensed and a proportional voltage is present at the output of the XR18910. Current Sense Mode remains active until an input select command is received by the XR18910. Channel Switch (Input MUX Select) 0x10 16 Select_Input_1 Select Channel 1 C 0 N/A Channel 1 is selected Select +IN1, -IN1; Channel 1 0x12 18 Select_Input_2 Select Channel 2 C 0 Select +IN2, -IN2; Channel 2 0x14 20 Select_Input_3 Select Channel 3 C 0 Select +IN3, -IN3; Channel 3 0x15 21 Select_Input_4 Select Channel 4 C 0 Select +IN4, -IN4; Channel 4 0x18 24 Select_Input_5 Select Channel 5 C 0 Select +IN5, -IN5; Channel 5 0x1A 26 Select_Input_6 Select Channel 6 C 0 Select +IN6, -IN6; Channel 6 0x1C 28 Select_Input_7 Select Channel 7 C 0 Select +IN7, -IN7; Channel 7 0x1E 30 Select_Input_8 Select Channel 8 C 0 Select +IN8, -IN8; Channel 8 Offset DAC Config 0x20 32 DAC1 Configures DAC offset applied to Channel 1 R/W 2 [10]: DAC Sign [9:0]: DAC Range 0x00 0mV offset Bit 10 controls the sign of the DAC offset voltage. Bits 9 thru 0 control the value of the DAC offset voltage. [10]: DAC Sign 0 = positive; 1 = negative 0x22 34 DAC2 Configures DAC offset applied to Channel 2 R/W 2 0x24 36 DAC3 Configures DAC offset applied to Channel 3 R/W 2 0x25 37 DAC4 Configures DAC offset applied to Channel 4 R/W 2 0x28 40 DAC5 Configures DAC offset applied to Channel 5 R/W 2 0x2A 42 DAC6 Configures DAC offset applied to Channel 6 R/W 2 0x2C 44 DAC7 Configures DAC offset applied to Channel 7 R/W 2 0x2E 46 DAC8 Configures DAC offset applied to Channel 8 R/W 2 NOTE: Register numbers not listed above have no function. XR 18910 |
Similar Part No. - XR18910IL-66 |
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Similar Description - XR18910IL-66 |
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