Figure 4.18-2 Example Of Timing For 1X Clock (Bw-16Bit, Access-Word Read) - Fujitsu MB91F109 FR30 Hardware Manual

4.18 Internal Clock Multiplication (Clock Doubler)

Figure 4.18-2 Example of Timing for 1X Clock (BW-16bit, Access-Word Read)

Internal clock
Internal instruction
N N + 2
address
Internal instruction D D + 2
data
CLK output
External address bus
N N + 4
D + 2
External data bus
D D + 2
External RDX
External fetch (instruction fetch) Prefetch
195