Z8F4822AR020SG Datasheet, PDF (168/323 Pages) Zilog, Inc. – High Performance 8-Bit Microcontrollers

Z8 Encore! XP^® F64xx Series
Product Specification
148
Bit
[4:0]
TXRXSTATE
[4:0]
TXRXSTATE
(continued)
Description (Continued)
Internal State
Value of the internal I²C state machine.
TXRXSTATE
0_0000
0_0001
0_0010
0_0011
0_0100
0_0101
0_0110
0_0111
0_1000
0_1001
0_1010
0_1011
0_1100
0_1101
0_1110
0_1111
1_0000
1_0001
1_0010
1_0011
1_0100
1_0101
1_0110
1_0111
1_1000
1_1001
1_1010
1_1011
1_1100
1_1101
1_1110
1_1111
State Description
Idle State.
Start State.
Send/Receive data bit 7.
Send/Receive data bit 6.
Send/Receive data bit 5.
Send/Receive data bit 4.
Send/Receive data bit 3.
Send/Receive data bit 2.
Send/Receive data bit 1.
Send/Receive data bit 0.
Data Acknowledge State.
Second half of data Acknowledge State used only for not acknowledge.
First part of stop state.
Second part of stop state.
10-bit addressing: Acknowledge State for 2nd address byte
7-bit addressing: Address Acknowledge State.
10-bit address: Bit 0 (Least significant bit) of 2nd address byte
7-bit address: Bit 0 (Least significant bit) (R/W) of address byte.
10-bit addressing: Bit 7 (Most significant bit) of 1st address byte.
10-bit addressing: Bit 6 of 1st address byte.
10-bit addressing: Bit 5 of 1st address byte.
10-bit addressing: Bit 4 of 1st address byte.
10-bit addressing: Bit 3 of 1st address byte.
10-bit addressing: Bit 2 of 1st address byte.
10-bit addressing: Bit 1 of 1st address byte.
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.
PS019924-0113
PRELIMINARY
I2C Control Register Definitions