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AT42QT1011 Datasheet(PDF) 2 Page - ATMEL Corporation |
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AT42QT1011 Datasheet(HTML) 2 Page - ATMEL Corporation |
2 / 18 page ![]() 2 9542G–AT42–03/10 AT42QT1011 1. Pinout and Schematic 1.1 Pinout Configuration 1.2 Pin Descriptions 1.3 Schematic Figure 1-1. Basic Circuit Configuration Table 1-1. Pin Listing Name Pin Type Comments If Unused, Connect To... OUT 1 O Output state – Vss 2 P Supply ground – SNSK 3 I/O Sense pin Cs + Key SNS 4 I/O Sense pin Cs Vdd 5 P Power – SYNC 6 I SYNC and Mode Input Pin is either SYNC/Slow/Fast Mode, depending on logic level applied (see Section 3.1 on page 4) I Input only I/O Input and output O Output only, push-pull P Ground or power SNSK VSS OUT 4 1 2 3 5 6 VDD SNS SYNC/MODE Cs OUT VDD SNSK SNS SYNC/MODE VSS 2 6 4 3 1 5 VDD Rs Cx SENSE ELECTRODE Note: A bypass capacitor should be tightly wired between Vdd and Vss and kept close to pin 5. |
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