SCHEMATICS

FCC ID: ZRQ-K2

Schematics

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FCCID_1733417

4 3 2 1 5V C1 USBM V+ VCC 20pF 160K 1 U1 J1 R2 R11 2 1 8 R1 1M X2 CS VCC 3 2 7 10 8.0MHz K1-1 C24 SK DC 4 C21 3 6 DI NC 12 3.7K 5 Closed to MCU 4 5 C23 103 100uF 103 C22 DO GND ZC/S18 11 C2 ZD/S19 10 4 103 LS2533 C4 R13 R3 4 + 0.1uF 20pF R7 9 5V R4 C3 Closed to MCU R6 8 R17 1K 470 1M 22uF Batt_Low 7 10 R5 LD2 EEPROM_CS R5 6 3 R12 470 C5 33K 5 R16 R4 Q2 2200pF 2 SPIEN ZD/S19 R3 4 3 LD1 TRRDY ZC/S18 R2 3 R10 10 C6 Q3 2 TRINT S17 R1 2 1 Batt_Low 0.1uF 2N3904 R0 1 R6 1 48 47 46 45 44 43 42 41 40 39 38 37 U7 3 10K CON2 R15 1K Q1 2 XI PB0 PE3 PE2 PE1 PE0 PD3 PD2 PD1 VSS XO/R VDD 5V Optional 1 ZA PB1 PD0 S16 ZB 1 36 R7 B+ PB2 PC7 K1 BAT Low Voltage R5 2 35 R6 3 PB3 PC6 34 2.20V ~ 2.35V 33K Ohm RF_PSB PB4 PC5 R5 20 J3 2.35V ~ 2.45V 36K Ohm WAKE_UP 4 33 R4 19 5 PB5 PC4 32 WAKE_UP 2.45V ~ 2.55V 39K Ohm SCLK PB6/TM2 PC3 R3 S1 18 1 VCC R7 MISO MOSI 6 31 R2 S2 17 R9 7 PB7 PC2 30 2 10 S0 R1 S3 16 2M R8 8 PA0 PC1 29 BAT Conn RF_PWR S1 PA1 PC0 R0 S10 15 B|+ 2.2K 9 28 S2 PA2 PE7 S0 14 10 27 3 2 3 S3 S9 13 3 C7 11 PA3 PE6 26 SW1 S4 PA4 PE5 S16 12 0.1uF C8 12 25 S17 11 PA5 PA6 PA7 PE4 PF0 PF1 PF2 PF3 PF4 PF5 PF6 PF7 S1 22uF R1 S9 S15 10 BIND SPCP800A-007A S14 9 1 S13 8 13 14 15 16 17 18 19 20 21 22 23 24 S11 7 Power S12 6 S15 S8 5 VCC S14 S7 4 C42 C11 S13 S6 3 100uF 0.1U S12 S5 2 U5 S11 S4 1 EEPROM_CS 1 CS VCC 8 S10 SCLK 2 7 C9 C25 S9 CON1 SK DC 0.1uF 4.7uF MOSI 3 DI NC 6 Closed to S8 MISO 4 DO GND 5 EEPROM S7 S6 93LC46 16bits S5 TRINT Ant. 2405~2476MHz PCB 24 23 22 21 20 19 2 U6 C10 2 ANT PCB Layout ANT 1pF Pattern see DRSSI RSSI TEST2 TEST1 TRINT IREF C13 0.1U Appendix TRRDY 1 TRRDY GNDIF 18 Closed to L3 SCLK 2 TRSCLK VCCRF 17 RF_PWR L2 ANT 5.6nH 3.9nH MOSI 3 TRSDAT GNDRF 16 ** SPIEN 4 SPIEN SPRF2400A ANT2 15 C20 RF_PWR 5 14 ANT VCCD ANT1 Base Band GNDVCCO 6 13 1pF GND VCCVCO C12 GNDD VDDRF L1 Closed to DVDD XOUT 22pF L4 1pF ANT PSB XIN 8.2nH C14 SPRF2400A 7 8 9 10 11 12 1uF C15 C16 22pF 2.2nF RF_PSB RF_PWR 16MHz C17 ** For EMI concern Y1 22pF Closed to RF IC R14 1 1 1M C18 C19 20pF 20pF RF Band SunplusIT Title 2.4GHz 2way RF SoC Desktop Solution (Keyboard-Tx) ENG. AP: Drawn: S.J. Kuo Check By: D.C. Size Rev 2.4GHZ-SPRF2400A-CP800A-KBD B Document Number A Date: Saturday, April 25, 2009 Sheet 1 of 1 4 3 2 1


Document Created: 2012-06-26 17:08:19
Document Modified: 2012-06-26 17:08:19
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