cop8tac9 National Semiconductor Corporation, cop8tac9 Datasheet - Page 41
cop8tac9
Manufacturer Part Number
cop8tac9
Description
8-bit Cmos Flash Microcontroller With 2k Byte Or 4k Byte Memory
Manufacturer
National Semiconductor Corporation
Datasheet
1.COP8TAC9.pdf
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16.0 MICROWIRE/PLUS
SK Phase
Alternate
Alternate
Normal
Normal
FIGURE 31. MICROWIRE/PLUS SPI Mode Interface Timing, Alternate SK Mode, SK Idle Phase being Low
FIGURE 32. MICROWIRE/PLUS SPI Mode Interface Timing, Normal SK Mode, SK Idle Phase being High
FIGURE 30. MICROWIRE/PLUS SPI Mode Interface Timing, Normal SK Mode, SK Idle Phase being Low
G6 (SKSEL)
Config. Bit
TABLE 20. MICROWIRE/PLUS Shift Clock Polarity and Sample/Shift Phase
0
1
0
1
Port G
(Continued)
Data Bit
G5
0
0
1
1
41
SO Clocked Out On:
SK Falling Edge
SK Falling Edge
SK Rising Edge
SK Rising Edge
SI Sampled On:
SK Falling Edge
SK Falling Edge
SK Rising Edge
SK Rising Edge
20047538
20047540
20047539
www.national.com
SK Idle
Phase
High
High
Low
Low
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