M37281EKSP Datasheet, PDF (150/172 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

M37281MAH–XXXSP,M37281MFH–XXXSP,M37281MKH–XXXSP, M37281EKSP
Address 00F616
I²C Data Shift Register
b7 b6 b5 b4 b3 b2 b1 b0
I²C data shift register (S0) [Address 00F616]
B Name
Functions
After reset R W
0 _{D0 to D7}
to
7
This is an 8-bit shift register to store Indeterminate R W
receive data and write transmit data.
Note: To write data into the I²C data shift register after setting the MST bit to
“0” (slave mode), keep an interval of 8 machine cycles or more.
Address 00F716
I²C Address Register
b7 b6 b5 b4 b3 b2 b1 b0
I²C address register (S0D) [Address 00F716]
B
Name
0 _{Read/write bit}
(RBW)
1 Slave address
to (SAD0 to SAD6)
7
Functions
After reset R W
<Only in 10-bit addressing (in slave) mode>
The last significant bit of address data is
compared.
0: Wait the first byte of slave address after
START condition
(read state)
1: Wait the first byte of slave address after
RESTART condition
(write state)
0 R—
<In both modes>
The address data is compared.
0 RW
Rev.1.01 2003.07.16 page 150 of 170