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3886 Datasheet(PDF) 46 Page - Renesas Technology Corp

Part # 3886
Description  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  380 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

3886 Datasheet(HTML) 46 Page - Renesas Technology Corp

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3886 Group User’s Manual
HARDWARE
Fig. 15 Port block diagram (4)
FUNCTIONAL DESCRIPTION
(28) Port P8
Output buffer 0
Status register 0
Output buffer 1
Status register 1
Input buffer 0
Input buffer 1
Data bus buffer enable bit
(26) Port P76
Data bus
Port latch
Direction
register
SDA output
SDA input
✻6
(27) Port P77
I2C-BUS interface
enable bit
SCL output
SCL input
✻6
(25) Ports P74,P75
Data bus
Port latch
Direction
register
✻4
INT31,INT41 interrupt input
✻3
S0
R
S1
✻5
✻3
I2C-BUS interface
enable bit
Direction
register
Port latch
Data bus
Direction
register
Port latch
Data bus
✻6. The input level can be switched between CMOS compatible input level and SMBUS level by the I2C-BUS interface pin input
selection bit of the I2C control register (address 001516).



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