SAB80C166-M-T3 SIEMENS [Siemens Semiconductor Group], SAB80C166-M-T3 Datasheet - Page 52
SAB80C166-M-T3
Manufacturer Part Number
SAB80C166-M-T3
Description
16-Bit CMOS Single-Chip Microcontroller
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.SAB80C166-M-T3.pdf
(52 pages)
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Figure 16
External Bus Arbitration, (Regaining the Bus)
Notes
1)
2)
Semiconductor Group
CLKOUT
This is the last chance for BREQ to trigger the indicated regain-sequence.
Even if BREQ is activated earlier, the regain-sequence is initiated by HOLD going high.
Please note that HOLD may also be deactivated without the SAB 80C166 requesting the bus.
The next SAB 80C166 driven bus cycle may start here
Signals
BREQ
HOLD
HLDA
Other
t
62
t
61
1)
t
62
51
t
t
t
62
63
67
SAB 80C166/83C166
2)