Z8F1680SH020SG Datasheet, PDF (269/412 Pages) Zilog, Inc. – High-Performance 8-Bit Microcontrollers

Z8 Encore! XP^® F1680 Series
Product Specification
244
from the Shift Register after it is received from the I²C bus. The I²C Shift Register is not
accessible in the Register File address space, but is used only to buffer incoming and out-
going data.
Writes by the software to the I2CDATA Register are blocked if a slave Write transaction is
underway (the I²C controller is in SLAVE Mode and data is being received).
Table 119. I²C Data Register (I2CDATA = F50H)
Bits
Field
Reset
R/W
Address
7
Data 7
0
R/W
6
Data 6
0
R/W
5
Data 5
0
R/W
4
3
Data 4 Data 3
0
0
R/W
R/W
F50H
2
Data 2
0
R/W
1
Data 1
0
R/W
0
Data 0
0
R/W
Bit Position
[7:0]
DATA
Value Description
—
I²C Data Byte
PS025015-1212
PRELIMINARY
I2C Master/Slave Controller