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TMP89FS60 Datasheet(PDF) 130 Page - Toshiba Semiconductor |
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TMP89FS60 Datasheet(HTML) 130 Page - Toshiba Semiconductor |
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130 / 410 page ![]() Page 116 8. I/O Ports 8.3 I/O Port Registers TMP89FS60 RA005 Note: Symbol "I" means secondary function input. Symbol "O" means secondary function output. Port P9 output latch P9DR (0x0009) 76543 210 Bit Symbol - - - P94 P93 P92 P91 P90 Read/Write R R R R/W R/W R/W R/W R/W After reset 00000 000 Function 0: Outputs L level when the output mode is selected. 1: Outputs H level when the output mode is selected. (Serves as Hi-Z or pull-up depending on settings of P9OUTCR and P9PU.) Port P9 input/output control P9CR (0x0F23) 76543 210 Bit Symbol - - - P9CR4 P9CR3 P9CR2 P9CR1 P9CR0 Read/Write R R R R/W R/W R/W R/W R/W After reset 00000 000 Function 0: Input mode (port input) RXD2 (I) - SCLK1 (I) RXD1 (I) SI1 (I) - 1: Output mode (port output) - TXD2 (O) SCLK1 (O) - TXD1 (O) SO1 (O) Port P9 function control P9FC (0x0F3D) 76543 210 Bit Symbol ---- P9FC3 P9FC2 - P9FC0 Read/Write RRRR R/W R/W R R/W After reset 00000 000 Function 0: Port function Port func- tion 1: TXD2 (O) SCLK1 (O) TXD1 (O) SO1 (O) Port P9 output control P9OUTCR (0x0F4A) 76543 210 Bit Symbol - - - P9OUT4 P9OUT3 P9OUT2 P9OUT1 P9OUT0 Read/Write R R R R/W R/W R/W R/W R/W After reset 00000 000 Function 0: C-MOS output 1: Open drain output Port P9 built-in pull-up resistor control P9PU (0x0F30) 76543 210 Bit Symbol - - - P9PU4 P9PU3 P9PU2 P9PU1 P9PU0 Read/Write R R R R/W R/W R/W R/W R/W After reset 00000 000 Function 0: The built-in pull-up resistor is not connected. 1: The built-in pull-up resistor is connected. (The resistor is connected only when the port is used in the input mode or as the open drain out- put. Under any other conditions, setting to "1" does not make the resis- tor connected.) |
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