z8f1621 ZiLOG Semiconductor, z8f1621 Datasheet - Page 173
z8f1621
Manufacturer Part Number
z8f1621
Description
High Performance 8-bit Microcontrollers
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z8F1621.pdf
(297 pages)
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Table 76. I
PS019921-0308
BITS
FIELD
RESET
R/W
ADDR
I
2
C Diagnostic Control Register
2
C Diagnostic Control Register (I2CDIAG)
7
The I
ter is a read/write register used for I
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
1 = DIAGNOSTIC mode. Reading the Baud Rate High and Low Byte registers returns
TXRXSTATE
1_1101
1_1110
1_1111
baud rate reload value.
the baud rate counter value.
2
C Diagnostic register
6
State Description
10-bit addressing: Bit 3 of 2nd address byte
7-bit addressing: Bit 3 of address byte
10-bit addressing: Bit 2 of 2nd address byte
7-bit addressing: Bit 2 of address byte
10-bit addressing: Bit 1 of 2nd address byte
7-bit addressing: Bit 1 of address byte
5
(Table
Reserved
76) provides control over diagnostic modes. This regis-
R
4
2
C diagnostics.
F56H
0
3
Z8 Encore! XP
2
Product Specification
1
®
F64XX Series
I2C Controller
DIAG
R/W
0
159
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