Z8F6421PM020SC Datasheet, PDF (180/299 Pages) Zilog, Inc. – High Performance 8-Bit Microcontrollers Z8 Encore-R 64K Series

Z8 Encore!^® 64K Series
Product Specification
160
I²C Diagnostic Control Register
The I²C Diagnostic register (Table 75) provides control over diagnostic modes. This regis-
ter is a read/write register used for I²C diagnostics.
Table 75. I²C Diagnostic Control Register (I2CDIAG)
BITS
7
6
5
4
3
2
1
0
FIELD
Reserved
DIAG
RESET
0
R/W
R
R/W
ADDR
F56H
DIAG = Diagnostic Control Bit - Selects read back value of the Baud Rate Reload regis-
ters.
0 = Normal mode. Reading the Baud Rate High and Low Byte registers returns the baud
rate reload value.
1 = Diagnostic mode. Reading the Baud Rate High and Low Byte registers returns the
baud rate counter value.
PS019915-1005
I2C Controller