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LP3929 датащи(PDF) 4 Page - National Semiconductor (TI) |
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LP3929 датащи(HTML) 4 Page - National Semiconductor (TI) |
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4 / 12 page ![]() Pin Descriptions Pin Name micro SMD Bump Identifier Port / Direction Type Function D0_A D1 Host / Bidirectional Push-Pull 1.8 V I/O Channel (Note 14) D1_A E1 Host / Bidirectional Push-Pull 1.8 V I/O Channel (Note 14) D2_A A1 Host / Bidirectional Push-Pull 1.8 V I/O Channel (Note 14) D3_A B1 Host / Bidirectional Push-Pull 1.8 V I/O Channel (Note 14) CMD_A D2 Host / Bidirectional Push-Pull 1.8 V I/O Channel (Note 14) CLK_A C1 Host / Input High Z 1.8 V Input CLK Channel (Note 14) fCLK_A E2 Host / Output Push-Pull 1.8 V Output CLK Channel DIR_0 A3 Host / Input High Z 1.8 V Input Direction Control D0 Channel: V DDA =A → B Direction (Write), V SS =B → A Direction (Read) DIR_1-3 E3 Host / Input High Z 1.8 V Input Direction Control D1-D3 Channel: V DDA =A → B Direction (Write), V SS =B → A Direction (Read) CMD_DIR A2 Host / Input High Z 1.8 V Input Direction Control CMD Channel: V DDA =A → B Direction (Write), V SS =B → A Direction (Read) EN C2 Host / Input High Z Device Enable with high impedance pull-down resistor (200 k Ω): V DDA = Device Active (on), V SS = Device Disabled (off) D0_B D5 Card / Bidirectional Push-Pull 2.85 V I/O Channel with high impedance pull-up to V DDB (70 k Ω) D1_B E5 Card / Bidirectional Push-Pull 2.85 V I/O Channel with high impedance pull-up to V DDB (70 k Ω) D2_B A5 Card / Bidirectional Push-Pull 2.85 V I/O Channel with high impedance pull-up to V DDB (70 k Ω) D3_B B5 Card / Bidirectional Push-Pull 2.85 V I/O Channel with high impedance pull-down to V SS (470 k Ω) CMD_B D4 Card / Bidirectional Push-Pull 2.85 V I/O Channel with high impedance pull-up to V DDB (15 k Ω) CLK_B C5 Card / Output Push-Pull 2.85 V Output CLK Channel V BAT A4 Host / Input Power 3.05 V to 5.5 V V DDA B3 Host / Input Power 1.71 V to 1.92 V, 1.8 V (typ) V DDB B4 Card / Output Power 2.85 V (LDO output) V SS C3 Ground V SS C4 Ground WP E4 Host / Card Input Pull-up Pull-up to V DDA (100 k Ω) CD D3 Host / Card Input Pull-up Pull-up to V DDA (100 k Ω) www.national.com 4 |
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