sercon410b STMicroelectronics, sercon410b Datasheet - Page 17

• Manufacturer Part Number: sercon410b
• Description: Sercos Interface Controller
• Manufacturer: STMicroelectronics

AC ELECTRICAL CHARACTERISTICS (Continued)
Figure 9. Read Access of Control Registers
3.4.5 Read Access of Control Registers
Symbol
t
t
t
t
t
PRDD
t
ASU
AHD
PAD
RDZ
PRQ
Setup time A6-0, BHEN, PCSN0, PCS1,
DMAACKNR, WRN (only Motorola mode) to
falling edge RDN (Intel or Motorola mode
with low active strobe) or rising edge RDN
(Motorola mode with high active strobe)
Hold time A10-0, BHEN, MCSN0-1, WRN
(only Motorola mode) to rising edge RDN
(Intel Motorola mode with low active strobe)
or falling edge RDN (Motorola mode with high
active strobe)
Access time A6-0, BHEN, PCSN0, PCS1,
DMAACKNR, WRN (only Motorola mode) to
D15-0 valid
Access time RDN to D15-0 valid
Delay RDN to D15-0 high-Z
Delay RDN to DMAREQR low
Parameter
Min.
0
0
Value
Type
Max.
50
40
30
15
SERCON410B
Unit
ns
ns
ns
ns
ns
ns
13/30