ST92F250CV2TB STMicroelectronics, ST92F250CV2TB Datasheet - Page 230

• Manufacturer Part Number: ST92F250CV2TB
• Description: IC MCU 256K FLASH 100-TQFP
• Manufacturer: STMicroelectronics
• Series: ST9r

Specifications of ST92F250CV2TB

• Core Processor: ST9
• Core Size: 8/16-Bit
• Speed: 24MHz
• Connectivity: CAN, I²C, LIN, SCI, SPI
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 80
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 100-TQFP, 100-VQFP
• Processor Series: ST92F25x
• Core: ST9
• Data Bus Width: 8 bit, 16 bit
• Data Ram Size: 8 KB
• Interface Type: CAN, I2C, SCI, SPI
• Maximum Clock Frequency: 24 MHz
• Number Of Programmable I/os: 80
• Number Of Timers: 5 x 16 bit
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ST92F150-EPB
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 16 bit x 10 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2140

MULTIPROTOCOL SERIAL COMMUNICATIONS INTERFACE (SCI-M)
MULTIPROTOCOL SERIAL COMMUNICATIONS INTERFACE (Cont’d)
INTERRUPT STATUS REGISTER (S_ISR)
R247 - Read/Write
Reset value: undefined
Bit 7 = OE: Overrun Error Pending.
This bit is set by hardware if the data in the Receiv-
er Buffer Register was not read by the CPU before
the next character was transferred into the Receiv-
er Buffer Register (the previous data is lost).
0: No Overrun Error.
1: Overrun Error occurred.
Bit 6 = FE: Framing Error Pending bit.
This bit is set by hardware if the received data
word did not have a valid stop bit.
0: No Framing Error.
1: Framing Error occurred.
Note: In the case where a framing error occurs
when the SCI is programmed in address mode
and is monitoring an address, the interrupt is as-
serted and the corrupted data element is trans-
ferred to the Receiver Buffer Register.
Bit 5 = PE: Parity Error Pending.
This bit is set by hardware if the received word did
not have the correct even or odd parity bit.
0: No Parity Error.
1: Parity Error occurred.
Bit 4 = RXAP: Receiver Address Pending.
RXAP is set by hardware after an interrupt ac-
knowledged in the address mode.
0: No interrupt in address mode.
1: Interrupt in address mode occurred.
230/429
9
OE
7
FE
PE
RXAP RXBP RXDP TXBEM
TXSEM
0
Note: The source of this interrupt is given by the
couple of bits (AMEN, AM) as detailed in the IDPR
register description.
Bit 3 = RXBP: Receiver Break Pending bit.
This bit is set by hardware if the received data in-
put is held low for the full word transmission time
(start bit, data bits, parity bit, stop bit).
0: No break received.
1: Break event occurred.
Bit 2 = RXDP: Receiver Data Pending bit.
This bit is set by hardware when data is loaded
into the Receiver Buffer Register.
0: No data received.
1: Data received in Receiver Buffer Register.
Bit 1 = TXBEM: Transmitter Buffer Register Emp-
ty.
This bit is set by hardware if the Buffer Register is
empty.
0: No Buffer Register Empty event.
1: Buffer Register Empty.
Bit 0 = TXSEM: Transmitter Shift Register Empty.
This bit is set by hardware if the Shift Register has
completed the transmission of the available data.
0: No Shift Register Empty event.
1: Shift Register Empty.
Note: The Interrupt Status Register bits can be re-
set but cannot be set by the user. The interrupt
source must be cleared by resetting the related bit
when executing the interrupt service routine (natu-
rally the other pending bits should not be reset).