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MC81F4204R Datasheet(PDF) 69 Page - Finechips |
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MC81F4204R Datasheet(HTML) 69 Page - Finechips |
69 / 150 page ![]() MC81F4204 October 19, 2009 Ver.1.35 69 R1CONL – R10~11 R1 PORT CONTROL LOW REGISTER 00D5H A reset clears the R1CONL register to „00H‟, makes R11-R10 pins input mode. You can use R1CONL register setting to select input or output mode (open-drain or push-pull) and enable alternative functions. When programming the port, please remember that any alternative peripheral I/O function that defined by the R1CONL register must also be enabled in the associated peripheral module. 7 6 5 4 3 2 1 0 R1CONL – – – R11 R10 Reset value: 00H – – – R/W R/W R/W R/W R/W – bit7 – bit5 Not used for MC81F4204 R11 R11/AN6/EXT7/PWM2O 000: Schmitt trigger input mode (EXT7) 001: Output mode, open-drain 010: Alternative function (AN6) 011: Alternative function (PWM2O) 1xx: Output mode, push-pull R10 R10/Vref/EXT6 00: Schmitt trigger input mode (EXT6) 01: Output mode, open-drain 10: Alternative function (Vref) 11: Output mode, push-pull |
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