Motorola M-CORE MMC2001 Series Reference Manual page 69

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
W W W W
XX addr Vx XX addr Vy
addr V1
CS1
OEA OE, EB
READ (WSC=2, EDC=0)
S3(S1)
S2 W
XX addr V2 XX addr Vz
addr V2
CS2
READ
XX
EB
XX R X W
WRITE (WSC=1, WWS=0)
S3(S1) S2 W
W
XX addr Vw
WRITE
WEN