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TMP93CS32F датащи(PDF) 54 Page - Toshiba Semiconductor |
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TMP93CS32F датащи(HTML) 54 Page - Toshiba Semiconductor |
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54 / 180 page ![]() TMP93CS32 2004-02-10 93CS32-52 3.5.5 Port 4 (P41 to P47) Port 4 is a 7-bit general-purpose I/O port. I/O can be set on bit basis. Resetting sets Port 4 to the input port. In addition to functioning as a general-purpose I/O port, Port 4 also shares functions as 16-bit timer 4 and 5 clocks, an output for 8-bit timer F/F3, 16-bit timer F/F4 and 5. Writing 1 in the corresponding bit of the Port 4 function register (P4FC) enables output of the timer. Figure 3.5.10 Port 4 (P41 to P47) Direction control (on bit basis) Reset P4CR write P4 read P4 write S Output latch Direction control (on bit basis) Reset P4CR write P4 write P42 (TI4/INT4) P43 (TI5/INT5) P45 (TI6/INT6) P46 (TI7/INT7) Function control (on bit basis) P4FC write S Output latch S B Selector A S A Selector B B Selector A S P4 read P41 (TO3) P44 (TO4) P47 (TO6) TI4, INT4 TI5, INT5 TI6, INT6 TI7, INT7 Timer F/F OUT TO3: Timer 3 TO4: Timer 4 TO6: Timer 5 |
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