Motorola Freescale Semiconductor M-Core MMC2001 Reference Manual page 73

CLK S1 S2
MCU ADDR XX addr V1
MCU R/W
MCU TREQ
ADDR[19:0]
CS
DATA[15:0]
R/W
OE, EB[0:1]
MCU DATA
MCU TA
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S1
XX addr V2
addr V1
CS2
Read
OE, EB
Read
READ
S2 S1
XX
addr V2
CS2
X
Write
EB
Write
X
WRITE
S2
addr Vy