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参数资料
| 型号： | ST7PL35F2UA/XXXE |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, QCC20 |
| 封装： | 5 X 6 MM, ROHS COMPLIANT, QFN-20 |
| 文件页数： | 16/168页 |
| 文件大小： | 2955K |
| 代理商： | ST7PL35F2UA/XXXE |
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Obsolete
Product(s)
- Obsolete
Product(s)
ST7L34, ST7L35, ST7L38, ST7L39
112/168
LINSCI
SERIAL COMMUNICATION INTERFACE (LIN Mode) (cont’d)
CONTROL REGISTER 2 (SCICR2)
Read/Write
Reset Value: 0000 0000 (00h)
Bits 7:2 Same function as in SCI mode; please re-
Bit 1 = RWU Receiver wake-up.
This bit determines if the SCI is in mute mode or
not. It is set and cleared by software and can be
cleared by hardware when a wake-up sequence is
recognized.
0: Receiver in active mode
1: Receiver in mute mode
Notes:
– Mute mode is recommended for detecting only
the Header and avoiding the reception of any
other characters. For more details, please refer
– In LIN slave mode, when RDRF is set, the soft-
ware can not set or clear the RWU bit.
Bit 0 = SBK Send break.
This bit set is used to send break characters. It is
set and cleared by software.
0: No break character is transmitted
1: Break characters are transmitted
Note: If the SBK bit is set to “1” and then to “0”, the
transmitter will send a BREAK word at the end of
the current word.
CONTROL REGISTER 3 (SCICR3)
Read/Write
Reset Value: 0000 0000 (00h)
Bit 7 = LDUM LIN Divider Update Method.
This bit is set and cleared by software and is also
cleared by hardware (when RDRF = 1). It is only
used in LIN Slave mode. It determines how the LIN
Divider can be updated by software.
0: LDIV is updated as soon as LPR is written (if no
Auto Synchronization update occurs at the
same time).
1: LDIV is updated at the next received character
(when RDRF = 1) after a write to the LPR regis-
ter.
Notes:
- If no write to LPR is performed between the set-
ting of LDUM bit and the reception of the next
character, LDIV will be updated with the old value.
- After LDUM has been set, it is possible to reset
the LDUM bit by software. In this case, LDIV can
be modified by writing into LPR / LPFR registers.
Bits 6:5 = LINE, LSLV LIN Mode Enable Bits.
These bits configure the LIN mode:
The LIN Master configuration enables:
The capability to send LIN Synch Breaks (13 low
bits) using the SBK bit in the SCICR2 register.
The LIN Slave configuration enables:
– The LIN Slave Baud Rate generator. The LIN
Divider (LDIV) is then represented by the LPR
and LPFR registers. The LPR and LPFR reg-
isters are read/write accessible at the address
of the SCIBRR register and the address of the
SCIETPR register
– Management of LIN Headers.
– LIN Synch Break detection (11-bit dominant).
– LIN Wake-Up method (see LHDM bit) instead
of the normal SCI Wake-Up method.
– Inhibition of Break transmission capability
(SBK has no effect)
– LIN Parity Checking (in conjunction with the
PCE bit)
Bit 4 = LASE LIN Auto Synch Enable.
This bit enables the Auto Synch Unit (ASU). It is
set and cleared by software. It is only usable in LIN
Slave mode.
0: Auto Synch Unit disabled
1: Auto Synch Unit enabled.
Bit 3 = LHDM LIN Header Detection Method
This bit is set and cleared by software. It is only us-
able in LIN Slave mode. It enables the Header De-
tection Method. In addition if the RWU bit in the
70
TIE
TCIE
RIE
ILIE
TE
RE
RWU
SBK
70
LDUM
LINE
LSLV
LASE
LHDM
LHIE LHDF
LSF
LINE
LSLV
Meaning
0
x
LIN mode disabled
1
0
LIN Master Mode
1
LIN Slave Mode
相关PDF资料 |
PDF描述 |
|---|---|
| ST7L35F2UA/XXXRE | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, QCC20 |
| ST7L35F2UC/XXXRE | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, QCC20 |
| ST7L39F2MC/XXXE | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO20 |
| ST7L39F2UC/XXXRE | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, QCC20 |
| ST7PL34F2MC/XXXE | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO20 |
相关代理商/技术参数 |
参数描述 |
|---|---|
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