UPD72042BGT NEC [NEC], UPD72042BGT Datasheet - Page 49

• Manufacturer Part Number: UPD72042BGT
• Description: LSI DEVICE FOR Inter Equipment Bus (IEBus) PROTOCOL CONTROL
• Manufacturer: NEC [NEC]

(b) When master reception is performed
Table 4-5 Minimum Return Code Occurrence Interval for Master Reception (t: At f
Return codes for master
transmission and master reception
0010
0011
0110
0111
Interval
Ta
Ta
Tb
Ta
Tb
Tc
Td
Te
Approx. 7150 s
Approx. 90 s
Approx. 1570 s
Approx. 20 s
Approx. 2430 s
0100
0111
Mode 0
Return codes for master reception
Tc
Tc
Td
Data Sheet S13990EJ3V0DS
Approx. 1920 s
Approx. 90 s
Approx. 390 s
Approx. 20 s
Approx. 740 s
0101
0110
0111
Mode 1
Tc
Tc
Td
IRQ
0001
0110
0111
Return codes for master
transmission and master reception
t
Te
Tb
Ta
X
PD72042B
= 6 MHz)
0000
0011
0111
0100
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