SN8F2250B Series
USB 2.0 Full-Speed 8-Bit Micro-Controller
13.2 SN8F2250B EV-kit
The SN8F2250B and SN8F2250 use the same EV-kit. The EV-kit includes ICE interface, GPIO interface, USB
interface, and VREG 3.3V power supply.
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ICE Interface: Interface connected to SN8ICE2K Plus
GPIO Interface: SN8F2251/11/21/53/531/55 package form connector.
USB Interface: USB Mini-B connector.
VREG 3.3V Power Supply: Use SN8P2212’s VREG to supply 3.3V power for VREG pin.
The outline of SN8F2250/SN8F2250B EV-kit is as following.
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J1: Jumper to connect between the 5V VDD from SN8ICE2K Plus and VDD_IC on SN8F2251/11/21/53/531/55
package form socket.
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J4: USB Mini-B connector.
U8: SN8P2212 to supply 3.3V power for VREG pin and USB PHY.
U9-U14: SN8F2251/11/21/53/531/55 connector for user’s target board.
13.3 SN8F2250/SN8F2250B Transition Board
The SN8F2250 and SN8F2250B use the same transition boards. The Transition Boards includes total 6 models, and
each of them is designated to each IC Package. The following shows the transition board outline for SN8F22531.
Among the board, both C1 and C2 MUST be welded by 1uF capacitor.
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