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M306V0ME Fiches technique(PDF) 8 Page - Mitsubishi Electric Semiconductor |
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M306V0ME Fiches technique(HTML) 8 Page - Mitsubishi Electric Semiconductor |
8 / 256 page M306V0ME-XXXFP M306V0EEFP MITSUBISHI MICROCOMPUTERS SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER 8 Rev. 1.0 Table 1.5.4 Pin description (continued) (2) Signal nameFunction Pin name I/O type I/O port P5 Input/output Input/output Input/output I/O port P6 I/O port P7 P50 to P57 P60 to P63, P67 P70 to P77 This is an 8-bit I/O port equivalent to P0. In single-chip mode, P57 in this port outputs a divide-by-8 or divide-by-32 clock of XIN or a clock of the same frequency as XCIN as selected by software. Output Output Output Output Output Input Output Input This is an 5-bit I/O port equivalent to P0. When set for input in single-chip, microprocessor and memory expansion modes, the user can specify in units of four bits via software whether or not they are tied to a pull-up resistor. Pins in this port also function as UART0 and UART2 pins as selected by software. This is an 8-bit I/O port equivalent to P6 (P70 and P71 are N-channel open-drain output). Pins in this port also function as timers A2 and A3, UART2, or HSYNC counter I/O pins as selected by software. WRL / WR, WRH / BHE, RD, BCLK, HLDA, HOLD, ALE, RDY Output WRL, WRH (WR and BHE), RD, BCLK, HLDA, and ALE signals. WRL and WRH, and BHE and WR can be switched using software control. WRL, WRH, and RD selected With a 16-bit external data bus, data is written to even addresses when the WRL signal is “L” and to the odd addresses when the WRH signal is “L”. Data is read when RD is “L”. WR, BHE, and RD selected Data is written when WR is “L”. Data is read when RD is “L”. Odd addresses are accessed when BHE is “L”. Use this mode when using an 8-bit external data bus. While the input level at the HOLD pin is “L”, the microcomputer is placed in the hold state. While in the hold state, HLDA outputs a “L” level. ALE is used to latch the address. While the input level of the RDY pin is “L”, the microcomputer is in the ready state. Input/output Input/output Input/output I/O port P8 I/O port P9 I/O port P10 P82, P83, P86, P87 P90 to P94 P100 to P107 This is an 5-bit I/O port equivalent to P6. Pins in this port also function as Timer B0 to B2 input pins, or D-A converter output pins. This is an 8-bit I/O port equivalent to P6. Pins in this port also function as A-D converter input pins. Furthermore, P100 and P101 also function as input pins for OSD function. P82, P83, P86 and P87 are I/O ports with the same functions as P6. Using software, P82 and P83 can be made to function as the I/O pins for the input pins for external interrupts. P86 and P87 can be set using software to function as the I/O pins for a sub clock generation circuit. In this case,connect a quartz oscillator between P86 (XCOUT pin) and P87 (XCIN pin). R, G, B OSC1 OSC2 CVIN VHOLD HLF TVSETB OSD output Clock input for OSD Clock output for OSD I/O for data slicer Test input Output Input Output Input Input Input These are OSD output pins (analog output). This is an OSD clock input pin. This is an OSD clock output pin. Input composite video signal through a capacitor. Connect a capacitor between VHOLD and Vss. Connect a filter using of a capacitor and a resistor between HLF and Vss. This is a test input pin. Fix it to “L.” OUT1, OUT2 These are OSD output pins (digital output). OSD outputOutput Input/output |
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