ST7MC1K2 STMicroelectronics, ST7MC1K2 Datasheet - Page 133
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ST7MC1K2
Manufacturer Part Number
ST7MC1K2
Description
8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,BRUSHLESS MOTOR CONTROL, 5 TIMERS, SPI, LINSCI(TM)
Manufacturer
STMicroelectronics
Datasheet
1.ST7MC1K4.pdf
(309 pages)
Specifications of ST7MC1K2
Hdflash Endurance
100 cycles, data retention
Clock Sources
crystal/ceramic resonator oscillators and by-pass for external clock, clock security system.
Four Power Saving Modes
Halt, Active-Halt, Wait and Slow
Main Clock Controller With
Real time base, Beep and Clock-out capabilities
Two 16-bit Timers With
2 input captures, 2 output compares, external clock input, PWM and pulse generator modes
8-bit Pwm Auto-reload Timer With
2 input captures, 4 PWM outputs, output compare and time base interrupt, external clock with event detector
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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-
fer to
tion.
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
– In LIN slave mode, when RDRF is set, the soft-
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
LDUM LINE
the Header and avoiding the reception of any
other characters. For more details please refer to
Section 10.5.9.3 LIN
ware can not set or clear the RWU bit.
TIE
Auto Synchronization update occurs at the
same time).
7
7
Section 10.5.8 SCI Mode Register Descrip-
TCIE
LSLV
RIE
LASE
ILIE
Reception.
LHDM
TE
RE
LHIE LHDF
RWU
SBK
LSF
0
0
1: LDIV is updated at the next received character
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:
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
(when RDRF = 1) after a write to the LPR regis-
ter
– The LIN Slave Baud Rate generator. The LIN
– Management of LIN Headers.
– LIN Synch Break detection (11-bit dominant).
– LIN Wake-Up method (see LHDM bit) instead
– Inhibition of Break transmission capability
– LIN Parity Checking (in conjunction with the
LINE
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
of the normal SCI Wake-Up method.
(SBK has no effect)
PCE bit)
0
1
LSLV
0
1
x
ST7MC1xx/ST7MC2xx
LIN mode disabled
LIN Master Mode
LIN Slave Mode
Meaning
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