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ST6G3238ETTR Datasheet(PDF) 5 Page - STMicroelectronics |
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ST6G3238ETTR Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 17 page ST6G3238E Pin Connection and Function 5/17 2.1 Pin Function ● CMD, Command is a bi-directional line. The host and card drivers are operating in push- pull. ● DAT0-3, Data lines are bi-directional lines. The host and the card drivers are operating in push-pull mode. ● CLK, Clock is a host to card signal. CLK operates in push-pull mode. ● Feedback (return) Clock is feedback clock signal from level shifter to host for controlling delays. ● CD, Card detect, pulls HIGH state of input to VCCA. This pin is protected against ESD up to 8kV contact. ● WP, Write protect, pulls HIGH state of input to VCCA. This pin is protected against ESD up to 8kV contact. Table 3. Pin Description µTFBGA Pin N° TSSOP Pin N° Type Side Symbol Name and Function A2 3 I A-side CMD-dir Command direction HIGH = A to B LOW = B to A D2 4 I/O A-side CMD.h A-side Command D4 22 I/O B-Side CMD B-side Command A3 1 I A-Side DAT0-dir Data Direction HIGH = A to B (write) LOW = B to A (read) D1 5 I/O A-Side DAT0.h Data Input / Output D5 21 I/O B-Side DAT0 Data Input / Output E3 15 I A-Side DAT123-dir Data Direction HIGH = A to B (write) LOW = B to A (read) E1 6 I/O A-Side DAT1.h Data Input / Output A1 7 I/O A-Side DAT2.h Data Input / Output B1 8 I/O A-Side DAT3.h Data Input / Output E5 20 I/O B-Side DAT1 Data Input / Output A5 19 I/O B-Side DAT2 Data Input / Output B5 18 I/O B-Side DAT3 Data Input / Output C1 10 I A-Side CLK.h Clock Input C5 17 O B-Side CLK Clock Output E2 9 O A-Side CLK-f Clock Feedback D3 23 - A-Side CD Card Detect E4 16 - A-Side WP Write Protect B3 2 - A-Side VCCA Power supply B4 24 - B-Side VCCB Power supply C3, C4 11, 14 - - GND Ground (0V) A4, B2, C2 12, 13 - - NC No connect |
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