cop8tab9 National Semiconductor Corporation, cop8tab9 Datasheet - Page 41

• Manufacturer Part Number: cop8tab9
• Description: 8-bit Cmos Flash Microcontroller With 2k Byte Or 4k Byte Memory
• Manufacturer: National Semiconductor Corporation

16.0 MICROWIRE/PLUS
SK Phase
Alternate
Alternate
Normal
Normal
FIGURE 30. MICROWIRE/PLUS SPI Mode Interface Timing, Alternate SK Mode, SK Idle Phase being Low
FIGURE 31. MICROWIRE/PLUS SPI Mode Interface Timing, Normal SK Mode, SK Idle Phase being High
FIGURE 29. 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
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SK Idle
Phase
High
High
Low
Low