ST92250CV2Q-Auto STMicroelectronics, ST92250CV2Q-Auto Datasheet - Page 249
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ST92250CV2Q-Auto
Manufacturer Part Number
ST92250CV2Q-Auto
Description
8-bit MCU for automotive
Manufacturer
STMicroelectronics
Datasheet
1.ST92150JDV1QAUTO.pdf
(430 pages)
Specifications of ST92250CV2Q-Auto
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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ASYNCHRONOUS SERIAL COMMUNICATIONS INTERFACE (Cont’d)
EXTENDED RECEIVE PRESCALER DIVISION
REGISTER (SCIERPR)
R245 - Read/Write
Register Page: 26
Reset Value: 0000 0000 (00h)
Allows setting of the Extended Prescaler rate divi-
sion factor for the receive circuit.
Bits 7:1 = ERPR[7:0] 8-bit Extended Receive
Prescaler Register.
The extended Baud Rate Generator is activated
when a value different from 00h is stored in this
register. Therefore the clock frequency issued
from the 16 divider (see
the binary factor set in the SCIERPR register (in
the range 1 to 255).
The extended Baud Rate Generator is not used af-
ter a reset.
ERPR7 ERPR6 ERPR5 ERPR4 ERPR3 ERPR2 ERPR1 ERPR0
7
Figure
119) is divided by
0
ST92124xxx-Auto/150xxxxx-Auto/250xxxx-Auto
EXTENDED TRANSMIT PRESCALER DIVISION
REGISTER (SCIETPR)
R246 - Read/Write
Register Page: 26
Reset Value:0000 0000 (00h)
Allows setting of the External Prescaler rate divi-
sion factor for the transmit circuit.
Bits 7:1 = ETPR[7:0] 8-bit Extended Transmit
Prescaler Register.
The extended Baud Rate Generator is activated
when a value different from 00h is stored in this
register. Therefore the clock frequency issued
from the 16 divider (see
the binary factor set in the SCIETPR register (in
the range 1 to 255).
The extended Baud Rate Generator is not used af-
ter a reset.
10.6.6 Important Notes on SCI-A
Refer to
13.5 on page
ETPR7 ETPR6 ETPR5 ETPR4 ETPR3 ETPR2 ETPR1 ETPR0
7
Section 13.4 on page 414
414.
Figure
119) is divided by
and
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