COP8TAB5CMW8 NSC [National Semiconductor], COP8TAB5CMW8 Datasheet - Page 35

• Manufacturer Part Number: COP8TAB5CMW8
• Description: 8-Bit CMOS ROM Microcontroller with 2k or 4k Memory
• Manufacturer: NSC [National Semiconductor]

15.0 MICROWIRE/PLUS
SK Phase
Alternate
Alternate
Normal
Normal
FIGURE 26. MICROWIRE/PLUS SPI Mode Interface Timing, Alternate SK Mode, SK Idle Phase being Low
FIGURE 27. MICROWIRE/PLUS SPI Mode Interface Timing, Normal SK Mode, SK Idle Phase being High
FIGURE 25. MICROWIRE/PLUS SPI Mode Interface Timing, Normal SK Mode, SK Idle Phase being Low
G6 (SKSEL)
Config. Bit
TABLE 13. MICROWIRE/PLUS Shift Clock Polarity and Sample/Shift Phase
0
1
0
1
Port G
(Continued)
Data Bit
G5
0
0
1
1
35
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
20091738
20091740
20091739
www.national.com
SK Idle
Phase
High
High
Low
Low