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参数资料
| 型号： | MSM6636JS |
| 厂商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 1 CHANNEL(S), 41.6K bps, LOCAL AREA NETWORK CONTROLLER, PQCC18 |
| 封装： | 0.290 INCH, 1.27 MM PITCH, PLASTIC, QFJ-18 |
| 文件页数： | 15/72页 |
| 文件大小： | 707K |
| 代理商： | MSM6636JS |
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MSM6636/6636B User’s Manual
Internal Register Details
3 – 7
3.8 Interrupt Enable Flag (IE)
LEN
ABN
D-P OVER CRC FORM INV
IFS
MSB
LSB
2 5
Flags related to message abnormality etc.
BUSY NOACK NRSP
—
BRK RSP RCV
TR
MSB
LSB
2 6
Flags related to message transmit/receive status etc.
PAR*
WAKR
—
WAKD BPG BPV BNG BNV
MSB
LSB
2 7
*
In MSM6636B, this bit is “—”.
Flags related to LAN bus line etc.
An IE enables interrupt for each cause when set to “1”.
All bits are automatically set to "0" at reset.
Write is possible even for the bits to which a flag is not allocated, but no interrupt will be generated.
3.9 Sleep Command Register
S7
S6
S5
S4
S3
S2
S1
S0
MSB
LSB
2 8
... Sleep Command
The MSM6636/6636B enter sleep status by writing “AAH” to register 28H.
However, if the
MSM6636/6636B are processing a transfer, they will enter sleep status after completing processing and after
detecting IDLE bus status. In sleep status, oscillation stops and the MSM6636/6636B will be in output
passive status. After entering sleep status, the value of register 28H is automatically set to “00H”.
The value is automatically set to “00H” at reset.
Sleep status has a low supply current mode that stops the oscillator circuit.
Do not make the device enter sleep status during message transmission.
Wake-up conditions include:
1) LAN bus status changes from passive to dominant.
2) MSM6636:
RXD terminal of CPU interface terminals changes.
MSM6636B: Falling edge of
CS terminal
When detecting these conditions 1) and 2), the MSM6636/6636B enable oscillation circuit operation, and at
the same time notify WAKE-UP completion to the CPU by sending an
INT output (in the case of WAKE-UP
interrupt enable). Even if an abnormality occurs at one LAN bus (V
DD, short-circuit to GND or OPEN), the
MSM6636/6636B detect the change to dominant and WAKE-UP occurs if the other bus is normal.
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相关代理商/技术参数 |
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| MSM6641 | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:Built-in Remote Control Transmission Circuit 4-Bit Microcontroller |
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| MSM6648 | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:100-DOT COMMON DRIVER |
| MSM6650 | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:SI/SD Voice Recognizer, Recorder/Player, and Speech Synthesizer |
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