6、开机上电时序图 量测点对 应序号 电压 实物点测图 返回目录 上电时序图 返回目录 信号脚 PWR_HOLD SYS_RST_N POR_RST PWRON_N BUCK_BOOST_EN VOUT_PMUA (LDO_PMUA) VBUCK3_2V15 (BUCK3) VBUCK2_1V45 (BUCK2) VOUT26_1V8 (LDO26) VOUT0_0V8 (LDO0) VOUT1_1V29 (LDO1) VBUCK0_0V8 (BUCK0) VBUCK4_0V8 (BUCK4) VOUT29_1V2 (LDO29) VOUT2_1V8 (LDO2) VOUT24_2V8 (LDO24) VBUCK1_1V1 (BUCK1) VOUT30_0V8 (LDO30) VOUT7_1V8 (LDO7) VOUT5_1V8 (LDO5) VOUT23_3V3 (LDO23) VOUT8_1V8 (LDO8) VOUT10_3V2 (LDO10) VOUT15_3V0 (LDO15) VOUT13_3V3 (LDO13) VOUT27_2V4 (LDO27) SYS_CLK_19M2 ABB_CLK_19M2 CLK32_SYS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 C1215 C1408 / J2901 (PIN2) 1.8V 1.8V / 1.8V R1228 1.8V C2243 3V C1142 2.15V C1140 1.45V C1039 1.8V C536 0.8V C1033 1.29V C1107 0.8V C1106 0.8V C2204 1.2V 1 1.8V 19 22 1.8V 26 2.4V 21 3.3V 1.8V 15 9 1.8V 1.8V 20 7 2.15V 12 0.8V 0.8V 10 13 0.8V 3.2V 23 U1001 1.29V 11 5 1 1.8V 1.8V 5 17 1.1V 1.45V 8 0.8V 18 2 U7004 3 24 3V U1903 4 J1701 25 3.3V 6 C1009 1.8V 16 2.8V C2717 2.8V 5 C1110 1.1V C1031 0.8V C1010 1.8V C1012 1.8V C1021 3.3V C1013 1.8V C1319 3.2V C1402 3V C1723 3.3V C1045 2.4V C1219 C1212 C1214 0.9V 0.9V 0.9V 28 0.9V U1402 0.9V 27 2 1.8V U300 7 3 4 0.9V 1.2V 29 14 3V 6 1.8V 4 2 J2901 1 4 3 全景图 TOP面 6 7 BOTTOM面 2 1 2018/11/27 第1页，共1页