M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
Address 00D716
2
I C Data Shift Register
b7 b6 b5 b4 b3 b2 b1 b0
I2C data shift register (S0) [Address 00D716
]
B
Name
Functions
After reset
R
R
W
0
to
7
This is an 8-bit shift register to store
receive data and write transmit data.
Indeterminate
W
D0 to D7
2
Note:
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.
Address 00D816
2
I C Address Register
b7 b6 b5 b4 b3 b2 b1 b0
I2C address register (S0D) [Address 00D816
]
B
Name
Functions
After reset R W
<Only in 10-bit addressing (in slave) mode>
The last significant bit of address data is
compared.
0
Read/write bit
(RBW)
0
R —
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)
Slave address
(SAD0 to SAD6)
<In both modes>
The address data is compared.
1
to
7
0
R W
Rev.1.00 Oct 01, 2002 page 97 of 110
REJ03B0134-0100Z
RENESAS [ RENESAS TECHNOLOGY CORP ]
