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參數(shù)資料
| 型號： | CXD2085M |
| 廠商： | Sony Corporation |
| 英文描述： | ID-1 Detection |
| 中文描述： | 編號- 1檢測 |
| 文件頁數(shù)： | 8/11頁 |
| 文件大?。?/td> | 113K |
| 代理商： | CXD2085M |
– 8 –
CXD2085M
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
2
C bus.
In this case, the contents to be set by the I
2
C bus is fixed as shown below. OLBX and O169 obtain the
decoding results as they become the direct output pins.
Table 3. Settings in No Bus Mode (Pin 3, MCON = Low)
R/W
Bit
Symbol
Contents
Fixed to Low. In no I
2
C bus mode, there is no general-purpose I/O port
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
2
C bus mode.
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).
bit7 MSB
bit6
bit5
bit4
bit3
bit2
bit1
bit0 LSB
WR
1
POLBX
PO169
PORT2
PORT1
TST
XJGLK
LNJ1
RES
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