Epson S1C17624 Technical Manual page 233

2
21 i C SlaVe (i2CS)
D0 R/W: Read/Write Direction Bit
Represents the transfer direction bit value.
1 (R): Output (master read operation)
0 (R): Input (master write operation) (default)
The transfer direction bit value that has been received with the slave address is set to R/W. Use R/W to
select the transmit- or receive-handling.
i 2 C Slave interrupt Control Register (i2CS_iCTl)
Register name address Bit
i 2 C Slave 0x436c D15–3 –
interrupt Control (16 bits)
D2
Register
D1
(i2CS_iCTl)
D0
D[15:3] Reserved
D2 BSTaT_ien: Bus Status interrupt enable Bit
Enables or disables the bus status interrupt.
1 (R/W): Enabled
0 (R/W): Disabled (default)
When BSTAT_IEN is set to 1, I
terrupt request occurs when BSTAT/I2CS_STAT register is set to 1. (See description of BSTAT.)
When BSTAT_IEN is set to 0, a bus status interrupt will not be generated.
D1 RXRDY_ien: Receive interrupt enable Bit
Enables or disables the I2CS receive interrupt.
1 (R/W): Enabled
0 (R/W): Disabled (default)
When RXRDY_IEN is set to 1, I2CS receive interrupt requests to the ITC are enabled. A receive inter-
rupt request occurs when the data received in the shift register is loaded to the I2CS_RECV register
(receive operation completed). When RXRDY_IEN is set to 0, a receive interrupt will not be generated.
D0 TXeMP_ien: Transmit interrupt enable Bit
Enables or disables the I2CS transmit interrupt.
1 (R/W): Enabled
0 (R/W): Disabled (default)
When TXEMP_IEN is set to 1, I2CS transmit interrupt requests to the ITC are enabled. A transmit in-
terrupt request occurs when the data written to the I2CS_TRNS register is transferred to the shift regis-
ter. When TXEMP_IEN is set to 0, a transmit interrupt will not be generated.
21-16
name Function
reserved
BSTaT_ien Bus status interrupt enable
RXRDY_ien Receive interrupt enable
TXeMP_ien Transmit interrupt enable
2
C bus status interrupt requests to the ITC are enabled. A bus status in-
Seiko epson Corporation
Setting init. R/W
–
1 Enable 0 Disable
1 Enable 0 Disable
1 Enable 0 Disable
S1C17624/604/622/602/621 TeChniCal Manual
Remarks
– – 0 when being read.
0 R/W
0 R/W
0 R/W