NEC PD17062 Manuale Utente
86
µ
PD17062
9.24 P0ABIOn (37H)
P0ABIOn specifies the PORT0A I/O. When P0ABIOn is set to 0, PORT0A becomes an input port. When
P0ABIOn is set to 1, PORT0A becomes an output port.
9.25 SETTING OF INTERRUPT REQUEST GENERATION TIMING IN SERIAL INTERFACE MODE (38H)
b
3
b
2
b
1
b
0
P0ABIO3
P0ABIO2
P0ABIO0
37H
0
1
P0ABIO1
P0A
0
I/O setting
0
1
P0A
1
I/O setting
0
1
P0A
2
I/O setting
0
1
P0A
3
I/O setting
P0A
0
input port
P0A
0
output port
P0A
1
input port
P0A
1
output port
P0A
2
input port
P0A
2
output port
P0A
3
input port
P0A
3
output port
b
3
b
2
b
1
b
0
SIO0IMD3
SIO0IMD2
SIO0IMD0
38H
SIO0IMD1
0
0
0
1
1
0
1
1
Function
Fixed at 0
Interrupt request generated at rising edge of the 7th bit of the shift clock
Interrupt request generated at rising edge of the 8th bit of the shift clock
Interrupt request generated when the stop condition is detected
Interrupt request generated at rising edge of the 7th bit of the shift
clock immediately after the start condition is detected
clock immediately after the start condition is detected