ST92F150JDV1 STMicroelectronics, ST92F150JDV1 Datasheet - Page 229
ST92F150JDV1
Manufacturer Part Number
ST92F150JDV1
Description
8-bit MCU
Manufacturer
STMicroelectronics
Datasheet
1.ST92F150CR1.pdf
(429 pages)
Specifications of ST92F150JDV1
Internal Memory
Single Voltage FLASH up to 256 Kbytes, RAM up to 8Kbytes, 1K byte E3 (Emulated EEPROM)
Minimum Instruction Time
83 ns (24 MHz int. clock)
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MULTIPROTOCOL SERIAL COMMUNICATIONS INTERFACE (Cont’d)
INTERRUPT MASK REGISTER (IMR)
R246 - Read/Write
Reset value: 0xx00000
Bit 7 = BSN: Buffer or shift register empty inter-
rupt.
This bit selects the source of the transmitter regis-
ter empty interrupt.
0: Select a Shift Register Empty as source of a
1: Select a Buffer Register Empty as source of a
Bit 6 = RXEOB: Received End of Block.
This bit is set by hardware only and must be reset
by software. RXEOB is set after a receiver DMA
cycle to mark the end of a data block.
0: Clear the interrupt request.
1: Mark the end of a received block of data.
Bit 5 = TXEOB: Transmitter End of Block.
This bit is set by hardware only and must be reset
by software. TXEOB is set after a transmitter DMA
cycle to mark the end of a data block.
0: Clear the interrupt request.
1: Mark the end of a transmitted block of data.
BSN
Transmitter Register Empty interrupt.
Transmitter Register Empty interrupt.
7
RXEOB TXEOB
RXE
MULTIPROTOCOL SERIAL COMMUNICATIONS INTERFACE (SCI-M)
RXA
RXB
RXDI
TXDI
0
Bit 4 = RXE: Receiver Error Mask.
0: Disable Receiver error interrupts (OE, PE, and
1: Enable Receiver error interrupts.
Bit 3 = RXA: Receiver Address Mask.
0: Disable Receiver Address interrupt (RXAP
1: Enable Receiver Address interrupt.
Bit 2 = RXB: Receiver Break Mask.
0: Disable Receiver Break interrupt (RXBP pend-
1: Enable Receiver Break interrupt.
Bit 1 = RXDI: Receiver Data Interrupt Mask.
0: Disable Receiver Data Pending and Receiver
1: Enable Receiver Data Pending and Receiver
Note: RXDI has no effect on DMA transfers.
Bit 0 = TXDI: Transmitter Data Interrupt Mask.
0: Disable Transmitter Buffer Register Empty,
1: Enable Transmitter Buffer Register Empty,
Note: TXDI has no effect on DMA transfers.
FE pending bits in the S_ISR register).
pending bit in the S_ISR register).
ing bit in the S_ISR register).
End of Block interrupts (RXDP and RXEOB
pending bits in the S_ISR register).
End of Block interrupts.
Transmitter Shift Register Empty, or Transmitter
End of Block interrupts (TXBEM, TXSEM, and
TXEOB bits in the S_ISR register).
Transmitter Shift Register Empty, or Transmitter
End of Block interrupts.
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