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ST92195B 数据表(PDF) 6 Page - STMicroelectronics |
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ST92195B 数据表(HTML) 6 Page - STMicroelectronics |
6 / 22 page 6/22 ST92195B - GENERAL DESCRIPTION PIN DESCRIPTION (Cont’d) RESET Reset (input, active low). The ST9+ is ini- tialised by the Reset signal. With the deactivation of RESET, program execution begins from the Program memory location pointed to by the vector contained in program memory locations 00h and 01h. R/G/B Red/Green/Blue. Video color analog DAC outputs. FB Fast Blanking. Video analog DAC output. VDD Main power supply voltage (5V±10%, digital) WSCF, WSCR Analog pins for the VPS/WSS slic- er . These pins must be tied to ground or not con- nected. VPP: On EPROM/OTP devices, the WSCR pin is replaced by VPP which is the programming voltage pin. VPP should be tied to GND in user mode. MCFM Analog pin for the display pixel frequency multiplier. OSCIN, OSCOUT Oscillator (input and output). These pins connect a parallel-resonant crystal (24MHz maximum), or an external source to the on-chip clock oscillator and buffer. OSCIN is the input of the oscillator inverter and internal clock generator; OSCOUT is the output of the oscillator inverter. VSYNC Vertical Sync. Vertical video synchronisa- tion input to OSD. Positive or negative polarity. HSYNC/CSYNC Horizontal/Composite sync. Hori- zontal or composite video synchronisation input to OSD. Positive or negative polarity. PXFM Analog pin for the Display Pixel Frequency Multiplier AVDD3 Analog VDD of PLL. This pin must be tied to VDD externally. GND Digital circuit ground. AGND Analog circuit ground (must be tied exter- nally to digital GND). CVBS1 Composite video input signal for the Tele- text slicer and sync extraction. CVBS2 Composite video input signal for the VPS/ WSS slicer. Pin AC coupled. AVDD1, AVDD2 Analog power supplies (must be tied externally to AVDD3). TXCF Analog pin for the Teletext slicer line PLL. CVBSO, JTDO, JTCK Test pins: leave floating. TEST0 Test pins: must be tied to AVDD2. JTRST0 Test pin: must be tied to GND. Figure 3. 56-Pin Package Pin-Out INT7/P2.0 RESET P0.7 P0.6 P0.5 P0.4 P0.3 AIN4/P0.2 P0.1 P0.0 CSO/RE SET0/P3.7 P3.6 P3.5 P3.4 B G R FB SDI/SDO/ P5.1 SCK/INT2/P5. 0 VDD JTDO WSC F VPP/WSCR AVDD3 TEST 0 MCFM JTCK P2.1/INT5/AIN1 P2.2/INT0/AIN2 P2.3/INT6/VS01 P2.4/NMI P2.5/AIN3/INT4 /VS02 OSCIN OSCOUT P4.7/PWM7/EX TRG/ST OUT P4.6/PWM6 P4.5/PWM5 P4.4/PWM4 P4.3/PWM3/TSL U/HT P4.2/PWM2 P4.1/PWM1 P4.0/PWM0 VSYNC HSYNC/CSYNC AVDD1 PXFM JTRSTO GND AGND CVBS 1 CVBS 2 JTMS AVDD2 CVBS O TXCF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 |
类似零件编号 - ST92195B |
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类似说明 - ST92195B |
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