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STPC12 数据表(PDF) 18 Page - STMicroelectronics |
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STPC12 数据表(HTML) 18 Page - STMicroelectronics |
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18 / 111 page  PIN DESCRIPTION 18/111 Issue 1.0 - July 24, 2002 GPIO SIGNALS GPIO[15:0] I/O BD4STRP_FT General Purpose IOs 16 JTAG TCLK I TLCHT_FT Test Clock 1 TRST I TLCHT_FT Test Reset 1 TDI I TLCHTD_FT Test Data Input TMS I TLCHT_FT Test Mode Set 1 TDO O BT8TRP_TC Test Data output 1 MISCELLANEOUS SCAN_ENABLE I TLCHTD_FT Test Pin - Reserved 1 SPKRD O BD4STRP_FT Speaker Device Output 1 Table 2-2. Definition of Signal Pins Signal Name Dir Buffer Type1 Description Qty Note1; See Table 2-3 for buffer type descriptions Table 2-3. Buffer Type Descriptions Buffer Description ANA Analog pad buffer OSCI13B Oscillator, 13 MHz, HCMOS BT4CRP LVTTL Output, 4 mA drive capability, Tri-State Control BT8TRP_TC LVTTL Output, 8 mA drive capability, Tri-State Control, Schmitt trigger BD4STRP_FT LVTTL Bi-Directional, 4 mA drive capability, Schmitt trigger, 5V tolerant BD4STRUP_FT LVTTL Bi-Directional, 4 mA drive capability, Schmitt trigger, Pull-Up, 5V tolerant BD4STRP_TC LVTTL Bi-Directional, 4 mA drive capability, Schmitt trigger BD8STRP_FT LVTTL Bi-Directional, 8 mA drive capability, Schmitt trigger, 5V tolerant BD8STRUP_FT LVTTL Bi-Directional, 8 mA drive capability, Schmitt trigger, Pull-Up, 5V tolerant BD8STRP_TC LVTTL Bi-Directional, 8 mA drive capability, Schmitt trigger BD8TRP_TC LVTTL Bi-Directional, 8 mA drive capability, Schmitt trigger BD8PCIARP_FT LVTTL Bi-Directional, 8 mA drive capability, PCI compatible, 5V tolerant BD14STARP_FT LVTTL Bi-Directional, 14 mA drive capability, Schmitt trigger, IEEE1284 compliant, 5V tolerant BD16STARUQP_TC LVTTL Bi-Directional, 16 mA drive capability, Schmitt trigger SCHMITT_FT LVTTL Input, Schmitt trigger, 5V tolerant TLCHT_FT LVTTL Input, 5V tolerant TLCHT_TC LVTTL Input TLCHTD_TC LVTTL Input, Pull-Down TLCHTU_TC LVTTL Input, Pull-Up USBDS_2V5 USB 1.1 compliant pad buffer VDDCO Analog output pad |
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