st92f124 STMicroelectronics, st92f124 Datasheet - Page 300
st92f124
Manufacturer Part Number
st92f124
Description
8/16-bit Single Voltage Flash Mcu Family With Ram, E3 Tmemulated Eeprom, Can 2.0b And J1850 Blpd
Manufacturer
STMicroelectronics
Datasheet
1.ST92F124.pdf
(426 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
st92f124R9TB
Manufacturer:
STMicroelectronics
Quantity:
10 000
Company:
Part Number:
st92f124V1QB
Manufacturer:
MAXIM
Quantity:
56
Company:
Part Number:
st92f124V1QB
Manufacturer:
STMicroelectronics
Quantity:
10 000
Part Number:
st92f124V1QB
Manufacturer:
ST
Quantity:
20 000
Company:
Part Number:
st92f124V1T6
Manufacturer:
MAX
Quantity:
62
Part Number:
st92f124V1T6
Manufacturer:
ST
Quantity:
20 000
Company:
Part Number:
st92f124VQB
Manufacturer:
ST
Quantity:
1 831
- Current page: 300 of 426
- Download datasheet (6Mb)
J1850 Byte Level Protocol Decoder (JBLPD)
J1850 BYTE LEVEL PROTOCOL DECODER (Cont’d)
10.9.6.3 DMA Management in Reception Mode
The DMA in reception is performed when the
RDRF bit of the STATUS register is set (by hard-
ware). The RDRF bit is reset as soon as the DMA
cycle is finished.
To enable the DMA feature, the RXD_M bit of the
IMR register must be set (by software).
Each DMA request performs the transfer of a sin-
gle byte from the RXDATA register of the peripher-
al toward Register File or Memory Space
139).
Each DMA transfer consists of three operations
that are performed with minimum use of CPU time:
– A load from the JBLPD data register (RXDATA)
Figure 139. DMA in Reception Mode
300/426
9
to a location of Register File/Memory addressed
JBLPD peripheral
RXDATA
(Figure
– A post-increment of the DMA Address Register
– A post-decrement of the DMA transaction coun-
Note: When the REOBP pending bit is set (at the
end of the last DMA transfer), the reception DMA
enable bit (RXD_M) is automatically reset by hard-
ware. However, the DMA can be disabled by soft-
ware resetting the RXD_M bit.
Note: The DMA request acknowledge could de-
pend on the priority level stored in the PRLR regis-
ter.
through the DMA Address Register (or Register
pair);
(or Register pair);
ter, which contains the number of transactions
that have still to be performed.
Data received
Previous data
Memory space
Register File
Current
Address
Pointer
or
Related parts for st92f124
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
STMicroelectronics [RIPPLE-CARRY BINARY COUNTER/DIVIDERS]
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
STMicroelectronics [LIQUID-CRYSTAL DISPLAY DRIVERS]
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
BOARD EVAL FOR MEMS SENSORS
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
NPN TRANSISTOR POWER MODULE
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
TURBOSWITCH ULTRA-FAST HIGH VOLTAGE DIODE
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
DIODE / SCR MODULE
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
DIODE / SCR MODULE
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
Search -----> STE16N100
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
Search ---> STE53NA50
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
NPN Transistor Power Module
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
DIODE / SCR MODULE
Manufacturer:
STMicroelectronics
Datasheet: