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TMP86FS49AUG bảng dữ liệu(PDF) 74 Page - Toshiba Semiconductor

tên linh kiện TMP86FS49AUG
Giải thích chi tiết về linh kiện  8 Bit Microcontroller
PDF  294 Pages
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nhà sản xuất  TOSHIBA [Toshiba Semiconductor]
Trang chủ  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMP86FS49AUG bảng dữ liệu(HTML) 74 Page - Toshiba Semiconductor

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5. I/O Ports
5.6 Port P5 (P54 to P50) (Large Current Port)
TMP86FS49AUG
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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