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TMP93CS32F датащи(PDF) 57 Page - Toshiba Semiconductor |
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TMP93CS32F датащи(HTML) 57 Page - Toshiba Semiconductor |
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57 / 180 page ![]() TMP93CS32 2004-02-10 93CS32-55 3.5.7 Port 6 (P60 to P65) Port 60 to 65 is a 6-bit general-purpose I/O port. I/Os can be set on a bit basis. Resetting sets P60 to 65 to an input port and connects a pull-up resistor. It also sets all bits of the output latch register to 1. In addition to functioning as a general-purpose I/O port, P60 to P65 can also share function as an I/O for serial channels 0 and 1. Writing “1” in the corresponding bit of the Port 6 function register (P6FC) enables this function. Resetting sets the function register value to “0” and sets all bits to input ports. (1) Ports 60 (TXD0) and 63 (TXD1) Ports 60 and 63 also function as serial channel TXD output pins in addition to I/O ports. They have a programmable open-drain function. Figure 3.5.14 Ports 60 and 63 Direction control (on bit basis) Reset P6CR write P6 write P6 read Open-drain possible ODE<ODE63, 60> P60 (TXD0) P63 (TXD1) Function control (on bit basis) P6FC write Programmable pull up P-ch TXD0, TXD1 S Output latch S B Selector A S A Selector B |
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