S3P852B Datasheet, PDF (91/383 Pages) Samsung semiconductor – 8-BIT CMOS MICROCONTROLLERS

S3C852B/P852B (Preliminary Spec)
CONTROL REGISTERS
P0STA — Port 0 Interrupt State Register
E9H
Set 1, Bank 0
Bit Identifier
RESET Value
Read/Write
Addressing Mode
.7
.6
.5
.4
.3
.2
.1
.0
.7
.6
.5
0
0
0
R/W
R/W
R/W
Register addressing mode only
.4
0
R/W
INT7/P0.7 Interrupt State Setting bit
0 INT7 falling edge detection
1 INT7 rising edge detection
INT6/P0.6 Interrupt State Setting bit
0 INT6 falling edge detection
1 INT6 rising edge detection
INT5/P0.5 Interrupt State Setting bit
0 INT5 falling edge detection
1 INT5 rising edge detection
INT4/P0.4 Interrupt State Setting bit
0 INT4 falling edge detection
1 INT4 rising edge detection
INT3/P0.3 Interrupt State Setting bit
0 INT3 falling edge detection
1 INT3 rising edge detection
INT2/P0.2 Interrupt State Setting bit
0 INT2 falling edge detection
1 INT2 rising edge detection
INT1/P0.1 Interrupt State Setting bit
0 INT1 falling edge detection
1 INT1 rising edge detection
INT0/P0.0 Interrupt State Setting bit
0 INT0 falling edge detection
1 INT0 rising edge detection
.3
0
R/W
.2
0
R/W
.1
0
R/W
.0
0
R/W
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