SN8P2200 Series
USB 1.1 Low-Speed 8-Bit Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 113
Version 1.7
12.2
SN8P2200 EV-kit
SN8P2200 EV-kit includes ICE interface, USB interface, 2 PS/2 interface (PS2_1 and PS2_2), GPIO interface and
3.3V power supply.
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ICE interface: Level shift peripheral circuit.
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USB Interface: USB PHY IC, USB B-type connector and peripheral circuit.
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PS2_1: PS/2 interface from SCLK and SDATA.
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PS2_2: PS/2 interface from P1.0 and P1.1.
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3.3V power supply: Use LM3940 3.3V regulator to supply 3.3V power for PHY IC.
The outline of SN8P2200 EV-kit is as following.
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CON1, CON2: ICE interface connected to SN8ICE2K-USB.
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U1, U2: Level shift device between SN8ICE2K-USB and SN8P2200 EV-kit.
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U3: LM3940 3.3V regulator.
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U4, U5: USB PHY IC. There are two PHY IC selections and only one PHY IC in SN8P2200 EV-kit.
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JP3: USB B-type connector.
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U6: USB and PS/2 pull-up resistors control device.
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JP4: PS2_1 connector.
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JP10:
PS2_2
connector.
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JP11: GPIO connector.
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U7~U10: SN8P2204, SN8P2203, SN8P2202, SN8P2201 DIP form connector for connecting to user’s target
board.
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S1: PS2_2 (from P1.0, P1.1) pull-up resistor.