CDC3205G-C Micronas, CDC3205G-C Datasheet - Page 165

• Manufacturer Part Number: CDC3205G-C
• Description: Automotive Controller Family The Device is a Microcontroller For Use in Automotive Applications.the On-chip Cpu is an Arm Processor ARM7TDMI with 32-bit Data And Address Bus, Which Supports Thumb format Instructions.
• Manufacturer: Micronas

PRELIMINARY DATA SHEET
26. I
The IC contains two independent I
units (I
master busses are not realizable. The units contain read and
write buffers with interrupt logic which makes automatic and
Fig. 26–1:
Micronas
I2C Interrupt Source
2
half full
2
C), 0 and 1. They are pure master systems, multi
empty
C-Bus Master Interface
Block diagram of I
D
in
0
D
to D
0
to D
7
Read
FIFO
3 x 8
SR
7
5 x 11
RD_Data
2
Write
FIFO
C-Bus Master Interface
WR
2
out
C-bus Master Interface
Address
Decoder
Status Register
empty
D
0
WR_Data (subaddress=control info)
to D
control
busy
June 12, 2003; 6251-579-1PD
7
S R
Q
Ack = 0
received
Read Logic
Write Logic
RD_Status
Clock Prescaler
software independent operation possible for most types of
I
gram clock rate does not depend on system clock rate.
2
C telegrams. Because of the internal clock pre-scaler, tele-
S R
Q
Start Condition:
- resets ACK flags
- deletes Read FIFO
SR0.I2Cx
0
1
Deglitcher
CDC 32xxG-C
f
1
2
I2CMx.DGL
SDAx
SCLx
163