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TMP86CS49FG 데이터시트(PDF) 72 Page - Toshiba Semiconductor

부품명 TMP86CS49FG
상세설명  8 Bit Microcontroller
PDF  252 Pages
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제조업체  TOSHIBA [Toshiba Semiconductor]
홈페이지  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMP86CS49FG 데이터시트(HTML) 72 Page - Toshiba Semiconductor

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5. I/O Ports
5.6 Port P5 (P54 to P50) (Large Current Port)
TMP86CS49FG
5.6 Port P5 (P54 to P50) (Large Current Port)
Port P5 is an 5-bit input/output port.
Port P5 is also used as an I2C Bus input/output.
When used as an input port and I2C Bus input/output, the corresponding output latch (P5DR) should be set to "1".
During reset, the P5DR is initialized to "1".
P5 port output latch (P5DR) and P5 port terminal input (P5PRD) are located on their respective address.
When read the output latch data, the P5DR should be read. When read the terminal input data, the P5PRD register
should be read.
If a read instruction is executed for port P5, read data of bit 7 to 5 are unstable.
Note: i = 4 to 0
Figure 5-7 Port 5
P5DR
(0005H)
R/W
76
543
21
0
P54P53P52P51
SDA
P50
SCL
(Initial value: ***1 1111)
P5PRD
(000FH)
Read only
P54P53P52P51
P50
Data output (P5DR)
Control output
STOP
OUTEN
DQ
P5i
Data input (P5PRD)
Output latch read (P5DR)
Control input
Output latch



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