ST7MC2S6 STMicroelectronics, ST7MC2S6 Datasheet - Page 119
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ST7MC2S6
Manufacturer Part Number
ST7MC2S6
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 ST7MC2S6
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 (SCI Mode) (cont’d)
CONTROL REGISTER 2 (SCICR2)
Read/Write
Reset Value: 0000 0000 (00h)
1)
Bit 7 = TIE Transmitter interrupt enable
This bit is set and cleared by software.
0: Interrupt is inhibited
1: In SCI interrupt is generated whenever
Bit 6 = TCIE Transmission complete interrupt ena-
ble
This bit is set and cleared by software.
0: Interrupt is inhibited
1: An SCI interrupt is generated whenever TC = 1
Bit 5 = RIE Receiver interrupt enable
This bit is set and cleared by software.
0: Interrupt is inhibited
1: An SCI interrupt is generated whenever OR = 1
Bit 4 = ILIE Idle line interrupt enable
This bit is set and cleared by software.
0: Interrupt is inhibited
1: An SCI interrupt is generated whenever
Bit 3 = TE Transmitter enable
This bit enables the transmitter. It is set and
cleared by software.
0: Transmitter is disabled
1: Transmitter is enabled
Notes:
– During transmission, a “0” pulse on the TE bit
– When TE is set there is a 1 bit-time delay before
Bit 2 = RE Receiver enable
This bit enables the receiver. It is set and cleared
by software.
0: Receiver is disabled in the SCISR register
refer to the LIN mode register description.
This bit has a different function in LIN mode, please
(“0” followed by “1”) sends a preamble (idle line)
after the current word.
the transmission starts.
TIE
TDRE = 1 in the SCISR register
in the SCISR register
or RDRF = 1 in the SCISR register
IDLE = 1 in the SCISR register.
7
TCIE
RIE
ILIE
TE
RE
RWU
1)
SBK
0
1)
1: Receiver is enabled and begins searching for a
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:
– Before selecting Mute mode (by setting the RWU
– In Address Mark Detection Wake-Up configura-
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.
DATA REGISTER (SCIDR)
Read/Write
Reset Value: Undefined
Contains the Received or Transmitted data char-
acter, depending on whether it is read from or writ-
ten to.
The Data register performs a double function (read
and write) since it is composed of two registers,
one for transmission (TDR) and one for reception
(RDR).
The TDR register provides the parallel interface
between the internal bus and the output shift reg-
ister (see
The RDR register provides the parallel interface
between the input shift register and the internal
bus (see
DR7
bit) the SCI must first receive a data byte, other-
wise it cannot function in Mute mode with wake-
up by Idle line detection.
tion (WAKE bit = 1) the RWU bit cannot be mod-
ified by software while the RDRF bit is set.
start bit
7
DR6
Figure
Figure
DR5
62).
62).
DR4
ST7MC1xx/ST7MC2xx
DR3
DR2
DR1
119/309
DR0
0
1
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