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M38049FFHKP датащи(PDF) 346 Page - Renesas Technology Corp

номер детали M38049FFHKP
подробное описание детали  8-BIT CISC SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES
PDF  387 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

M38049FFHKP датащи(HTML) 346 Page - Renesas Technology Corp

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3-56
REJ09B0212-0100Z
Rev.1.00
Jan 14, 2005
3804 Group (Spec.H)
APPENDIX
3.5 Control registers
Fig. 3.5.9 Structure of I2C control register
I2C control register
b7 b6 b5 b4 b3 b2 b1 b0
I2C control register
(S1D: address 001416)
b
0
Name
0
Functions
At reset R W
0
0
1
2
0
3 I
2C-BUS interface
enable bit (ES0)
4
0
Data format
selection bit (ALS)
0: Addressing format
1: Free data format
0: 7-bit addressing format
1: 10-bit addressing format
5
0
Addressing format
selection bit
(10BIT SAD)
7
6
0
I2C-BUS interface pin
input level selection
bit (TISS)
0: Disabled
1: Enabled
0 0 0: 8
0 0 1: 7
0 1 0: 6
0 1 1: 5
1 0 0: 4
1 0 1: 3
1 1 0: 2
1 1 1: 1
0: SMBUS input
1: CMOS input
b2b1b0
Bit counter
(Number of
transmit/receive
bits)
(BC0, BC1, BC2)
0
Nothing is arranged for this bit. This is a write
disabled bit. When this bit is read out, the
contents are “0”.
Note: Do not use the read-modify-write instruction because some bits
change by hardware when the start condition is detected and
the byte-transfer is completed.



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