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MSC1201Y2RHHR Datasheet(PDF) 10 Page - Burr-Brown (TI) |
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MSC1201Y2RHHR Datasheet(HTML) 10 Page - Burr-Brown (TI) |
10 / 78 page MSC1201 MSC1202 SBAS317B − APRIL 2004 − REVISED JANUARY 2005 www.ti.com 10 PIN ASSIGNMENTS PIN # NAME DESCRIPTION 1 XIN The crystal oscillator pin XIN supports parallel resonant AT cut fundamental frequency crystals and ceramic resonators. XIN can also be an input if there is an external clock source instead of a crystal. XIN must not be left floating. 2 XOUT The crystal oscillator pin XOUT supports parallel resonant AT cut fundamental frequency crystals and ceramic resonators. XOUT serves as the output of the crystal amplifier. 3, 26 DGND Digital Ground 4 RST A HIGH on the reset input for two tOSC periods will reset the device. 5 NC No connection 6 AVDD Analog Power Supply 7, 8 AGND Analog Ground 9 AINCOM Analog Input (can be analog common for single-ended inputs or analog input for differential inputs) 10 IDAC IDAC Output 11 REFOUT/REF IN+ Internal Voltage Reference Output/Voltage Reference Positive Input 12 REF IN− Voltage Reference Negative Input (tie to AGND for internal voltage reference) 13 AIN5 Analog Input Channel 5 14 AIN4 Analog Input Channel 4 15 AIN3 Analog Input Channel 3 16 AIN2 Analog Input Channel 2 17 AIN1 Analog Input Channel 1 18 AIN0 Analog Input Channel 0 19−25, 28 P1.0−P1.7 Port 1 is a bidirectional I/O port (refer to P1DDRL, SFR AEh, and P1DDRH, SFR AFh, for port pin configuration control). The alternate functions for Port 1 are listed below. Port Alternate Name(s) Alternate Use P1.0 PROG Serial programming mode P1.1 N/A P1.2 DOUT Serial data out P1.3 DIN Serial data in P1.4 INT2/SS External interrupt 2 / Slave Select P1.5 INT3 External interrupt 3 P1.6 INT4 External interrupt 4 P1.7 INT5 External interrupt 5 27 DVDD Digital Power Supply 29−36 P3.0−P3.7 Port 3 is a bidirectional I/O port (refer to P3DDRL, SFR B3h, and P3DDRH, SFR B4h, for port pin configuration control). The alternate functions for Port 3 are listed below. Port Alternate Name(s) Alternate Use P3.0 RxD0 Serial port 0 input P3.1 TxD0 Serial port 0 output P3.2 INT0 External interrupt 0 P3.3 INT1 External interrupt 1 P3.4 T0 Timer 0 external input P3.5 T1 Timer 1 external input P3.6 SCK/SCL/CLKS SCK / SCL / various clocks (refer to PASEL, SFR F2h) P1.7 N/A |
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