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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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TMP93CS44 데이터시트(PDF) 64 Page - Toshiba Semiconductor |
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TMP93CS44 데이터시트(HTML) 64 Page - Toshiba Semiconductor |
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64 / 224 page  TMP93CS44/S45 2004-02-10 93CS44-62 3.5.5 Port 4 (P40 to P47) Port 4 is a 8-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 an input for 8-bit timer 0 clock, 16-bit timer 4 and 5 clocks, an output for 8-bit timer F/F 3, 16-bit timer F/F 4 and 6 output. Writing 1 in the corresponding bit of the port 4 function register (P4FC) enables output of the timer. (1) P40 and P41 Figure 3.5.10 Port 4 (P40 and P41) P40 (TI0/INT1) 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 Function control (on bit basis) P4FC write S Output latch S B Selector A S A Selector B B Selector A S P41 (TO3) TI0, INT1 Timer F/F OUT (TO3: Timer 3) P4 read |
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