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RT5508 数据表(PDF) 44 Page - Richtek Technology Corporation |
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RT5508 数据表(HTML) 44 Page - Richtek Technology Corporation |
44 / 57 page RT5508 Copyright © 2017 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation www.richtek.com DS5508-01 March 2017 44 Analog Block Register ADDR Byte Bits R/W Name Description Default 0x80 1 7 R/W SW_RESET 1 : Software Reset 0 0 - Reserved - 0 0x81 1 7:5 R/W D_SPK_BOOST[2:0] Class D gain control [000:110] = 0 to 15db/3db 3'b100 4:0 R/W D_SPKLPF_VOL[4:0] PGA Feedback Gain control RF [0000~1111] = 31db to 0db/1db 4'b10111 0x82 1 1:0 R/W D_PGA_SPKPGA_VOL[1:0] PGA Input Gain control 00 = 6db 01 = 3db 10 = 0db 11 = 3db 2'b11 0x86 1 7 R/W D_VMID_EN VMID enable (AVDD/2) 0 6 R/W D_VMID_FAST VMID quick charge 0 5:4 R/W D_ITH_OCP_BB[1:0] Over-current threshold level of boost converter 2'b01 3:0 R/W D_IR_RAMP[3:0] slop compensation select option 4'b1000 0x88 1 7 R/W D_CS_EN Current sense enable 1 = enable 0 disable 0 6:5 R/W D_CS_SEL[1:0] CK_CS_CHP frequence selection 00 : 256K 01 : 128K 10 : 64K 11 : 32KHz 2'b00 4:0 - Reserved - 0x8A 1 7 R/W D_BUF_EN SPK_DAC buffer and CS_ADC buffer enable 0 6 R/W D_BIAS_EN Analog V2I bias enable 0 5 R/W D_IMADC_DCHP_EN IMADC chopper enable 0 4 R/W D_IMADC_EN IMADC enable (Vbattery,temp and current DAC sense) 0 3 R/W D_IM_GAIN_SEL IMADC PREAMP gain setting 1: X10, 0 : X5 0 2:0 R/W D_IPTAT_VAR[2:0] IPTAT current select (8.0 A to 12.67 A) 011:10A with 1.66A delta 3'b011 0x8B 2 15:0 R/W vbat_data[15:0] read mode : read vbat_data value from vbt_sens write mode : when 0xC8 vbat_data_tst_en is set to 1, vbat_data is from this register 16'h0000 0x8C 2 15:0 R/W vtherm_data[15:0] read mode : read vtherm_data value from vbt_sens write mode : when 0xC8 vtherm_data_tst_en is set to 1, vtherm_data is from this register 16'h0000 |
类似零件编号 - RT5508 |
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类似说明 - RT5508 |
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