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M4182RM6F 数据表(PDF) 8 Page - STMicroelectronics |
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M4182RM6F 数据表(HTML) 8 Page - STMicroelectronics |
8 / 58 page Description M41T82 M41T83 8/58 1. For SO8 and QFN16 packages only. 2. Defaults to 32 KHz on power-up. 3. For SOX18 and QFN16 packages only. 4. DU pin must be tied to VCC. Table 1. Signal names Symbol Description XI(1) 32KHz oscillator input XO(1) 32KHz oscillator output IRQ1/OUT/FT Interrupt 1/output driver/frequency test output (open drain) SQW(2) 32KHz programmable square wave output RST Power-on reset output (open drain) FT/RST Frequency test output/power-on reset (open drain - M41T82 only) IRQ2(3) Interrupt for alarm 2 (open drain) SDA Serial data address input/output SCL Serial clock input VBAT Battery supply voltage (tie VBAT to VSS if no battery is connected.) DU(4) Do not use VCC Supply voltage VSS Ground |
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