ST92150JDV1TAuto STMicroelectronics, ST92150JDV1TAuto Datasheet - Page 282
ST92150JDV1TAuto
Manufacturer Part Number
ST92150JDV1TAuto
Description
8-bit MCU for automotive
Manufacturer
STMicroelectronics
Datasheet
1.ST92150JDV1QAUTO.pdf
(430 pages)
Specifications of ST92150JDV1TAuto
Internal Memory
Single Voltage FLASH up to 256 Kbytes, RAM up to 8Kbytes, 1K byte E3 TM (Emulated EEPROM)
Minimum Instruction Time
83 ns (24 MHz int. clock)
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ST92124xxx-Auto/150xxxxx-Auto/250xxxx-Auto
I
INTERRUPT MASK REGISTER (I2CIMR)
R255 - Read / Write
Register Page: 20 (I2C_0) or 22 (I2C_1)
Reset Value: 00xx 0000 (x0h)
Bit 7 = RXDM Receiver DMA Mask.
0: DMA reception disable.
1: DMA reception enable
RXDM is reset by hardware when the transaction
counter value decrements to zero, that is when a
Receiver End Of Block interrupt is issued.
Bit 6 = TXDM Transmitter DMA Mask.
0: DMA transmission disable.
1: DMA transmission enable.
TXDM is reset by hardware when the transaction
counter value decrements to zero, that is when a
Transmitter End Of Block interrupt is issued.
Bit 5 = REOBP Receiver DMA End Of Block Flag.
REOBP should be reset by software in order to
avoid undesired interrupt routines, especially in in-
itialization routine (after reset) and after entering
the End Of Block interrupt routine.Writing “0” in
this bit will cancel the interrupt request
Note: REOBP can only be written to “0”.
0: End of block not reached.
1: End of data block in DMA receiver detected
Bit 4 = TEOBP Transmitter DMA End Of Block TE-
OBP should be reset by software in order to avoid
undesired interrupt routines, especially in initializa-
tion routine (after reset) and after entering the End
Of Block interrupt routine.Writing “0” will cancel the
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2
RXDM TXDM REOBP TEOBP
C BUS INTERFACE (Cont’d)
7
0
IERRM IRXM ITXM
0
interrupt request.
Note: TEOBP can only be written to “0”.
0: End of block not reached
1: End of data block in DMA transmitter detected.
Bit 3 = Reserved. This bit must be cleared.
Bit 2 = IERRM Error Condition interrupt mask bit.
This bit enables/ disables the Error interrupt.
0: Error interrupt disabled.
1: Error Interrupt enabled.
Bit 1 = IRXM Data Received interrupt mask bit.
This bit enables/ disables the Data Received and
Receive DMA End of Block interrupts.
0: Interrupts disabled
1: Interrupts enabled
Note: This bit has no effect on DMA transfer
Bit 0 = ITXM Peripheral Ready To Transmit inter-
rupt mask bit.
This bit enables/ disables the Peripheral Ready To
Transmit and Transmit DMA End of Block inter-
rupts.
0: Interrupts disabled
1: Interrupts enabled
Note: This bit has no effect on DMA transfer.
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