1 2 3 4 5 6 D D P1 U1 AS1117 ADJ 3 C1 3 2 + C2 0.1 uF VDD 2 VIN VOUT + C4 10 uF C3 0.1 uF R31 4.7K R28 10.0K 1% 3.92K 1% 7 10 8 2 1 R27 1 4 + C23 5 33uF 12 13 16 C24 0.1 10 uF POWER JACK U2 VDD ADJ 1 REG_VDD 3 1.225 TxD1 & RxD1 TPMCH0 & TPMCH1 <==> TPM1CH0 & TPM1CH1 SPI Signals <==> SPI1 Signals BLMS <==> PTG0 Key KBIP1/6/7 <==> PTG1/2/3 Key P&E Microcomputer Systems, Inc. 98 Galen Street, Second Floor Watertown, MA 02472 USA DC9S08JS16 Schematic A A Size B FCSM No. Scale DWG No. Rev A Sheet 1 of 1 1 2 3 4 5 6