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MSP430F6638IPZ Datasheet(PDF) 18 Page - Texas Instruments |
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MSP430F6638IPZ Datasheet(HTML) 18 Page - Texas Instruments |
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18 / 133 page  Table 7-1. Signal Descriptions (continued) TERMINAL I/O(1) DESCRIPTION NAME NO.(4) PZ ZCA, ZQW P9.0/S7 68 E11 I/O General-purpose digital I/O LCD segment output S7 P9.1/S6 69 F9 I/O General-purpose digital I/O LCD segment output S6 P9.2/S5 70 D12 I/O General-purpose digital I/O LCD segment output S5 P9.3/S4 71 D11 I/O General-purpose digital I/O LCD segment output S4 P9.4/S3 72 E9 I/O General-purpose digital I/O LCD segment output S3 P9.5/S2 73 C12 I/O General-purpose digital I/O LCD segment output S2 P9.6/S1 74 C11 I/O General-purpose digital I/O LCD segment output S1 P9.7/S0 75 D9 I/O General-purpose digital I/O LCD segment output S0 VSSU 76 B11, B12 USB PHY ground supply PU.0/DP 77 A12 I/O General-purpose digital I/O, controlled by USB control register. Port U is supplied by the LDOO rail. USB data terminal DP PUR 78 B10 I/O USB pullup resistor pin (open drain). The voltage level at the PUR pin is used to invoke the default USB BSL. TI recommends a 1-MΩ resistor to ground. See Section 9.7.1 for more information. PU.1/DM 79 A11 I/O General-purpose digital I/O, controlled by USB control register. Port U is supplied by the LDOO rail. USB data terminal DM VBUS 80 A10 USB LDO input (connect to USB power source) VUSB 81 A9 USB LDO output V18 82 B9 USB regulated power (internal use only, no external current loading) AVSS3 83 A8 Analog ground supply P7.2/XT2IN 84 B8 I/O General-purpose digital I/O Input terminal for crystal oscillator XT2 P7.3/XT2OUT 85 B7 I/O General-purpose digital I/O Output terminal of crystal oscillator XT2 VBAK 86 A7 Capacitor for backup subsystem. Do not load this pin externally. For capacitor values, see CBAK in Section 8.3. VBAT 87 D8 Backup or secondary supply voltage. If backup voltage is not supplied, connect to DVCC externally. P5.7/RTCCLK 88 D7 I/O General-purpose digital I/O RTCCLK output DVCC3 89 A6 Digital power supply MSP430F6638, MSP430F6637, MSP430F6636, MSP430F6635, MSP430F6634 MSP430F6633, MSP430F6632, MSP430F6631, MSP430F6630 SLAS566G – JUNE 2010 – REVISED SEPTEMBER 2020 www.ti.com 18 Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated Product Folder Links: MSP430F6638 MSP430F6637 MSP430F6636 MSP430F6635 MSP430F6634 MSP430F6633 MSP430F6632 MSP430F6631 MSP430F6630 |
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