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6-6
STA
Start
When set, this bit signifies that the byte located in the
Two-Wire Register 0xFD00/0xFD02 [(ES0, ES1, ES2 =
100] - Data Register) will be sent out on the Two-Wire
Serial bus with a start condition as defined in the I
specification.
STO
Stop
When set, this bit signifies that a stop condition (as
described in the I
the interface.
ACK
Acknowledge
When set, this bit will enable an ACK to be transmitted
during the ninth clock cycle of the transfer after receiving
a data byte.
Register: 0xFD01/0xFD03
Control Register Reads (ES0 = 0)
Read Only
7
6
PIN
ES0
0
0
PIN
Pending Interrupt
Setting this bit clears the interrupt and all of the status
bits.
ES0
Enable Serial Output
This bit enables the Two-Wire Serial bus I/O. When low
(0), register access is available for initialization. If high
(1), then the serial shift register S0 and status register S1
are accessible.
Two-Wire Serial Registers
2
C specification) will be sent out onto
5
4
3
ES1
ES2
ENI
Defaults:
0
0
0
2
C
2
1
0
STA
STO
ACK
0
0
0
2
1
0
7
6
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