cxd2085m Sony Electronics, cxd2085m Datasheet - Page 8

• Manufacturer Part Number: cxd2085m
• Description: Id-1 Detection
• Manufacturer: Sony Electronics

5-2. No bus mode
No bus mode is established when setting the MCON pin (Pin 3) to Low and then the CXD2085M can be
operates without using the I
In this case, the contents to be set by the I
decoding results as they become the direct output pins.
Table 3. Settings in No Bus Mode (Pin 3, MCON = Low)
R/W
WR
bit7 MSB
bit6
bit5
bit4
bit3
bit2
bit1
bit0
Bit
LSB
POLBX
PO169
PORT2
PORT1
TST
XJGLK
LNJ1
RES
Symbol
2
C bus.
Fixed to Low. In no I
function and this bit's operation is not affected.
PORT1 and PROT2 fixed to Low. The OLBX and O169 pins are the
direct output pins of the ID decoding result.
SCL (Pin 9) input reflected as it is. Therefore, connect the SCL pin to
Vss in no I
SCL (Pin 9) input reflected as it is. Fixed to Low as the SCL pin is surely
connected to Vss.
Fixed to Low. When resetting is required, use the XRST pin (Pin 1).
2
C bus is fixed as shown below. OLBX and O169 obtain the
2
C bus mode.
– 8 –
2
C bus mode, there is no general-purpose I/O port
Contents
CXD2085M