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ST70136B 데이터시트(PDF) 3 Page - STMicroelectronics |
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ST70136B 데이터시트(HTML) 3 Page - STMicroelectronics |
3 / 24 page ST70136 3/24 1 - PIN LIST The following list gives the different PIN Types: AI Analog Input AIO Analog Input/Output AO Analog Ouptut DI Digital Input DIO Digital Input/Output DO Digital Output VDDA Analog Power Supply VDDD Digital Power Supply VSSA Analog Ground VSSD Digital Ground Table 1 : Pin Assignment Pins Name Type Description TQFP LFBGA 1 B2 CTRLIN DI Digital input for control interface 2 C3 CTRLOUT DO Digital output for control interface 3 C2 R/NW* DI Selection of read or write mode for control interface 4 B1 VDDIO VDDD I/O buffer supply voltage 5 A1 CLKWD DO 8.832MHz output clock. Used to synchronize RX/TX word data exchange, and master clock of register control interface 6 C1 CLKM DO 35.328MHz Master Clock. Xtal buffer 7 D2 ACTD O Tone Detector Activation 8 D1 RX3 DO Received data output 9 E2 RX2 DO Received data output 10 E1 RX1 DO Received data output 11 F2 RX0 DO Received data output 12 G2 VSSIO VDDD I/O buffer ground voltage 13 F1 TX3 DI Transmit data input 14 G1 TX2 DI Transmit data input 15 H2 TX1 DI Transmit data input 16 H1 TX0 DI Transmit data input 17 E3 VSS VSSD Core digital ground 18 G3 TEST DI Test mode is activated with TEST=1. Must be tied to ground in normal mode 19 E4 NRESET* DI Reset input. All digital circuitry is well defined after a negative pulse on this input 20 H3 VDD VSSD Core digital supply (3.3V) 21 F3 PWD DI Power Down pin 22 G4 SUSPEND DI Suspend Mode pin 23 F4 VDDA2 VDDA ADC supply voltage (5V) 24 H4 VSSA2 VSSA ADC ground voltage 25 G5 VSAD VSSA Substrate voltage for RX-AD path (Must be connected to VSSAx) 26 E5 VSRX VSSA Substrate voltage for RXPGA path (Must be connected to VSSAx) 27 H5 VSSA1 VSSA RXPGA ground voltage 28 H6 RXP AI Positive Analog Receive input |
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