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ATMEGA128 Scheda tecnica(PDF) 84 Page - ATMEL Corporation |
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ATMEGA128 Scheda tecnica(HTML) 84 Page - ATMEL Corporation |
84 / 386 page 84 2467R–AVR–06/08 ATmega128 TMS, JTAG Test Mode Select: This pin is used for navigating through the TAP-controller state machine. When the JTAG interface is enabled, this pin can not be used as an I/O pin. • TCK, ADC4 – Port F, Bit 4 ADC4, Analog to Digital Converter, Channel 4. TCK, JTAG Test Clock: JTAG operation is synchronous to TCK. When the JTAG interface is enabled, this pin can not be used as an I/O pin. • ADC3 – ADC0 – Port F, Bit 3..0 Analog to Digital Converter, Channel 3..0. Table 43. Overriding Signals for Alternate Functions in PF7..PF4 Signal Name PF7/ADC7/TDI PF6/ADC6/TDO PF5/ADC5/TMS PF4/ADC4/TCK PUOE JTAGEN JTAGEN JTAGEN JTAGEN PUOV 1 0 1 1 DDOE JTAGEN JTAGEN JTAGEN JTAGEN DDOV 0 SHIFT_IR + SHIFT_DR 00 PVOE 0 JTAGEN 0 0 PVOV 0 TDO 0 0 DIEOE JTAGEN JTAGEN JTAGEN JTAGEN DIEOV 0 0 0 0 DI – – – – AIO TDI/ADC7 INPUT ADC6 INPUT TMS/ADC5 INPUT TCK/ADC4 INPUT Table 44. Overriding Signals for Alternate Functions in PF3..PF0 Signal Name PF3/ADC3 PF2/ADC2 PF1/ADC1 PF0/ADC0 PUOE 0000 PUOV 0000 DDOE 0000 DDOV 0000 PVOE 0000 PVOV 0000 DIEOE 0000 DIEOV 0000 DI –––– AIO ADC3 INPUT ADC2 INPUT ADC1 INPUT ADC0 INPUT |
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