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EM78P468R Scheda tecnica(PDF) 35 Page - ELAN Microelectronics Corp |
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EM78P468R Scheda tecnica(HTML) 35 Page - ELAN Microelectronics Corp |
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35 / 96 page ![]() EM78P468R 8-Bit Microcontroller Product Specification (V1.1) 06.28.2016 29 (This specification is subject to change without prior notice) 6.2.3 IOC60, P6CR (Port 6 I/O Control Register) (Address: 06h, Bit 0 of R5 = “0”) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 IOC67 IOC66 IOC65 IOC64 IOC63 IOC62 IOC61 IOC60 R/W R/W R/W R/W R/W R/W R/W R/W Bit 7 (IOC67) ~ Bit 0 (IOC60): Port 6 I/O direction control register IOC6x ="0": set the relative Port 6x I/O pins as output IOC6x ="1": set the relative Port 6x I/O pin into high impedance (input pin) 6.2.4 IOC70, P7CR (Port 7 I/O Control Register) (Address: 07h, Bit 0 of R5 = “0”) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 IOC77 IOC76 IOC75 IOC74 IOC73 IOC72 IOC71 IOC70 R/W R/W R/W R/W R/W R/W R/W R/W Bit 7 (IOC77) ~ Bit 0 (IOC70): Port 7 I/O direction control register IOC7x = "0": set the relative Port 7x I/O pins as output IOC7x = "1": set the relative Port 7x I/O pin into high impedance (input pin) 6.2.5 IOC80, P8CR (Port 8 I/O Control Register) (Address: 08h, Bit 0 of R5 = “0”) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 IOC87 IOC86 IOC85 IOC84 IOC83 IOC82 IOC81 IOC80 R/W R/W R/W R/W R/W R/W R/W R/W Bit 7 (IOC 87) ~ Bit 0 (IOC 80): Port 8 I/O direction control register IOC8x = "0": set the relative Port 8x I/O pins as output IOC8x = "1": set the relative Port 8x I/O pin into high impedance (input pin) 6.2.6 IOC90, RAM_ADDR (128 Bytes RAM Address) (Address: 09h, Bit 0 of R5 = “0”) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 RAM_A6 RAM_A5 RAM_A4 RAM_A3 RAM_A2 RAM_A1 RAM_A0 0 R/W R/W R/W R/W R/W R/W R/W Bit 7: Not used, fixed at “0” Bits 6~0: 128 bytes RAM address |
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