UPD72042 Datasheet, PDF (54/92 Pages) NEC – LSI DEVICES FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL

µPD72042
[SLRC occurrence interval]
(a) When slave data transmission is performed
Return codes for broadcast
reception, slave data
transmission, and slave reception
Return codes for slave data transmission
Return codes for broadcast
reception, slave data
transmission, and slave reception
0010
0011
0110
Ta
0111
1010
1011
1100
0000
Tb
Tc
Td
0001
Tb
Tb
Td
0010
0011
0001
0010
0011
Ta
0000
Te
0100
1000
Ta
1100
Table 4-10 Minimum Return Code Occurrence Interval for Slave Data Transmission
Interval
Ta
Tb
Tc
Td
Te
Mode 0
Approx. 5420 µs
Approx. 1570 µs
Approx. 3140 µs
Approx. 20 µs
Approx. 7150 µs
Mode 1
Approx. 1490 µs
Approx. 390 µs
Approx. 780 µs
Approx. 20 µs
Approx. 1920 µs
t
IRQ
54
Data Sheet S14870EJ1V0DS00