Rohm LAPIS SEMICONDUCTOR ML620Q503, User Manual

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ML620Q503/Q504 User's Manual
Chapter 5 Interrupts
FEUL620Q504 5–7
5.2.3 Interrupt Enable Register 23 (IE23)
Address: 0F012H
Access: R/W
Access size: 8/16 bits
Initial value: 0000H
7 6 5 4 3 2 1 0
IE2 – EUAF0 EUA1 EUA0 EI2C1 EI2C0 ESIOF0 ESIO0
R/W R/W R/W R/W R/W R/W R/W R/W R/W
Initial value 0 0 0 0 0 0 0 0
15 14 13 12 11 10 9 8
IE3 EMD0 EVLS ELOSC – – – – –
R/W R/W R/W R/W R/W R/W R/W R/W R/W
Initial value 0 0 0 0 0 0 0 0
IE23 is a special function register (SFR) used to control enable/disable for each interrupt request.
When an interrupt is accepted, the master interrupt enable flag (MIE) is set to "0", but the corresponding flag of
IE23 is not reset.
Description of Bits
•
ESIO0 (bit 0)
ESIO0 is the enable flag for the synchronous serial port 0 interrupt (SIO0INT).
ESIO0 Description
0 Disabled (initial value)
1 Enabled
•
ESIOF0 (bit 1)
ESIOF0 is the enable flag for the synchronous serial port 0 interrupt with FIFO (SIOF0INT).
ESIOF0 Description
0 Disabled (initial value)
1 Enabled
•
EI2C0 (bit 2)
EI2C0 is the enable flag for the I2C bus 0 interrupt (I2C0INT).
EI2C0 Description
0 Disabled (initial value)
1 Enabled
•
EI2C1 (bit 3)
EI2C1 is the enable flag for the I2C bus 1 interrupt (I2C1INT).
EI2C1 Description
0 Disabled (initial value)
1 Enabled