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STA321MP Folha de dados(PDF) 10 Page - STMicroelectronics |
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STA321MP Folha de dados(HTML) 10 Page - STMicroelectronics |
10 / 50 page Pin connections STA321MP 10/50 Doc ID 022647 Rev 1 51 3.3-V capable TTL 4 mA output buffer EAPD Ext. amp power-down 55 3.3-V capable TTL 2 mA output buffer BICKO Output serial clock 56 3.3-V capable TTL 2 mA output buffer LRCKO Output left/right clock 57 3.3-V capable TTL 2 mA output buffer SDO_12 Output serial data channels 1 & 2 58 3.3-V capable TTL 2 mA output buffer SDO_34 Output serial data channels 3 & 4 62 3.3-V capable TTL 2 mA output buffer SDO_56 Output serial data channels 5 & 6 63 3.3-V capable TTL 2 mA output buffer SDO_78 Output serial data channels 7 & 8 64 5-V tolerant TTL Schmitt trigger input buffer PWDN Device power-down 3,12,24, 28,35, 44,52,59 3.3-V digital supply voltage VDD3 3.3-V supply 2,4,13, 27,36, 45,53,60 Digital ground GND Ground 14,17,26, 37, 46, 54,61,63 NC Not connected Table 2. Pin description: TQFP-64 (STA321MPL) (continued) Pin number Type Name Description Table 3. Pin description: VFQFPN-56 (STA321MP) Pin number Type Name Description 1 5-V tolerant TTL input buffer PDM_CLK PDM I/F CLK 5 5-V tolerant TTL input buffer PDMIN_6 PDM input channel 6 6 5-V tolerant TTL input buffer PDMIN_5 PDM input channel 5 7 5-V tolerant TTL input buffer PDMIN_4 PDM input channel 4 8 5-V tolerant TTL input buffer PDMIN_3 PDM input channel 3 9 5-V tolerant TTL input buffer PDMIN_2 PDM input channel 2 10 5-V tolerant TTL input buffer PDMIN_1 PDM input channel 1 13 5-V tolerant TTL Schmitt trigger input buffer RESET Global reset 14 CMOS input buffer with pull-down PLLB Bypass phase-locked loop 15 Bidirectional buffer: 5-V tolerant TTL Schmitt trigger input; 3.3-V capable 2 mA slew-rate controlled output SDA Serial data (I2C) 16 5-V tolerant TTL Schmitt trigger input buffer SCL Serial clock (I2C) 17 5-V tolerant TTL Schmitt trigger input buffer XTI Crystal oscillator input (clock input) 18 Analog pad FILTER_PLL PLL filter 19 3.3-V analog supply voltage VDDA PLL supply |
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