EM6605 EM Microelectronic, EM6605 Datasheet - Page 25
EM6605
Manufacturer Part Number
EM6605
Description
4 bit Microcontroller
Manufacturer
EM Microelectronic
Datasheet
1.EM6605.pdf
(43 pages)
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EM6605
The processor now starts to execute the first instruction placed after the HALT instruction (for instance write of
SWBuff register to clear TESTvar[3]), except if there was a IRQ during the serial transmission. In this case the
CPU will go directly in the interrupt routine to serve other interrupt sources.
TestVar[3] stays high until SWBuff is rewritten. Before starting a second SWB action this bit must be cleared by
performing a dummy write on SWBuff address.
Because the data in the RAM are still present one can start transmitting the same data once again only by
recharging the SWBuff , LowSWB and HighSWB register together with AutoSWB bit and putting the EM6603 in
HALT mode will start new transmission.
© EM Microelectonic-Marin SA, 2/99, Rev. B/243
25
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