User`s manual

CONTROL REGISTERS S3F84A5_UM_REV1.10
4-26
P3PND — Port 3 Interrupt Pending Register EFH Set 1, Bank 0
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
Reset Value – – – – –
0 0 0
Read/Write – – – – –
R/W R/W R/W
Addressing Mode
Register addressing mode only
.7–.3
Not used for S3F84A5
.2 Port 3.2/INT4, External Interrupt Pending Bit
0 No interrupt pending (when read)
0
Pending bit clear (when write)
1 Interrupt is pending (when read)
1 No effect (when write)
.1 Port 3.1/INT3, External Interrupt Pending Bit
0 No interrupt pending (when read)
0
Pending bit clear (when write)
1 Interrupt is pending (when read)
1 No effect (when write)
.1 Port 3.0/INT2, External Interrupt Pending Bit
0 No interrupt pending (when read)
0
Pending bit clear (when write)
1 Interrupt is pending (when read)
1 No effect (when write)