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7220 Datasheet(PDF) 252 Page - Renesas Technology Corp

Part # 7220
Description  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  303 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7220 Datasheet(HTML) 252 Page - Renesas Technology Corp

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7220 Group User’s Manual
APPENDIX
6.7 Control registers
6-33
Fig. 6.7.7 I2C data shift register
Fig. 6.7.8 I2C address register
b7 b6 b5 b4 b3 b2 b1 b0
I C data shift register (S0) [Address 00D716]
B
Functions
After reset
RW
I C Data Shift Register
0
to
7
This is an 8-bit shift register to store
receive data and write transmit data.
Indeterminate
2
2
Note:
2
To write data into the I C data shift register after setting the MST bit to
“0” (slave mode), keep an interval of 8 machine cycles or more.
Name
D0 to D7
RW
b7 b6 b5 b4 b3 b2 b1 b0
0
Read/write bit
(RBW)
1
to
7
Slave address
(SAD0 to SAD6)
0: Read
1: Write
0
0
The address data transmitted from
the master is compared with the
contents of these bits.
I2C Address Register
I2C address register (S0D) [Address 00D816]
B
Name
Functions
After reset RW
RW
RW
Address 00D716
Address 00D816



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