z8f0822 ZiLOG Semiconductor, z8f0822 Datasheet - Page 158

• Manufacturer Part Number: z8f0822
• Description: High Performance 8-bit Microcontrollers
• Manufacturer: ZiLOG Semiconductor

Table 76. I
PS022517-0508
BITS
FIELD
RESET
R/W
ADDR
I
2
C Diagnostic Control Register
2
C Diagnostic Control Register (I2CDIAG)
7
The I
register is a read/write register used for I
DIAG = Diagnostic Control Bit—Selects read back value of the Baud Rate
0 = Normal mode. Reading the Baud Rate High and Low Byte registers returns
1 = Diagnostic mode. Reading the Baud Rate High and Low Byte registers
TXRXSTATE
1_0111
1_1000
1_1001
1_1010
1_1011
1_1100
1_1101
1_1110
1_1111
the baud rate reload value.
returns the baud rate counter value.
2
C Diagnostic register
Reload registers.
6
10-bit addressing: Bit 0 (R/W) of 1st address byte
10-bit addressing: Acknowledge state for 1st address byte
10-bit addressing: Bit 7 of 2nd address byte
7-bit addressing: Bit 7 of address byte
10-bit addressing: Bit 6 of 2nd address byte
7-bit addressing: Bit 6 of address byte
10-bit addressing: Bit 5 of 2nd address byte
7-bit addressing: Bit 5 of address byte
10-bit addressing: Bit 4 of 2nd address byte
7-bit addressing: Bit 4 of address byte
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
State Description
5
(Table
Reserved
76) provides control over diagnostic modes. This
R
4
F56H
2
C diagnostics.
0
3
Z8 Encore! XP
2
Product Specification
1
®
F0822 Series
I2C Controller
DIAG
R/W
0
145