CCU3000 Datasheet, PDF (70/77 Pages) Micronas – Central Control Unit

CCU 3000,-IC, CCCUU30300-1I-I
CCU 3001, CCU 3001-I
WR_Data (chosen address = control info)
D₀ to D₇
Address
Decoder
WR
Transmit
FIFO
3 x 11
Control
in
SR
out
Transmit Logic
Data
Clock
Ident
half full
Receive
Receive Logic
FIFO
3x8
empty
Start Condition
resets ACK flags
D₀ to D₇
SR
Q
Dat or ADR
ACK
SR
Q
ready
DAT_ACK ADR_ACK
Fig. 2–26: I²C/IM bus interface
D₀ to D₇
RD_Status (2D7H)
70
MICRONAS INTERMETALL