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GMS81032 Datasheet(PDF) 35 Page - Hynix Semiconductor |
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GMS81032 Datasheet(HTML) 35 Page - Hynix Semiconductor |
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35 / 101 page  3 - 3 3.2.3 Data Register(R1) R17OD R16OD R15OD R14OD R13OD R12OD R11OD R10OD <00DEH> R1ODC bit initial value R/W 7 0 W 6 0 W 5 0 W 4 0 W 3 0 W 2 0 W 1 0 W 0 0 W R1 Data Register(R1) is 8-bit register to store data of port R1. When set as the output state by R1DD, and data is written in R1, data is output into R1 pin. The initial value of R1 is unknown in reset state. R17 R16 R15 R14 R13 R12 R11 R10 <00C2H> R1 bit initial value R/W 7 X R/W 6 X R/W 5 X R/W 4 X R/W 3 X R/W 2 X R/W 1 X R/W 0 X R/W Port R1 Open Drain Assign Register(R1ODC) is 8bit register, and can assign R1 port as open drain output port each bit, if corresponding port is selected as output. If R1ODC is selected as ¡È1¡È, port R1 is open drain output, and if selected as¡È0¡È, it is push-pull output. R1ODC is write-only register and initialized as ¡È00H¡È in reset state. 3.2.4 Port R1 Open drain Assign Register (R1ODC) Chapter 3. I/O PORT |
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