DF2238RTF6 Renesas Electronics America, DF2238RTF6 Datasheet - Page 687
DF2238RTF6
Manufacturer Part Number
DF2238RTF6
Description
MCU 2.2/3V 256K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2238RFA6V.pdf
(1048 pages)
Specifications of DF2238RTF6
Core Processor
H8S/2000
Core Size
16-Bit
Speed
6MHz
Connectivity
I²C, SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
72
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2238RTF6
HD64F2238RTF6
HD64F2238RTF6
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2238RTF6V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 15 Serial Communication Interface (SCI)
15.10 Usage Notes
15.10.1 Module Stop Mode Setting
SCI operation can be disabled or enabled using the module stop control register. The initial setting
is for SCI operation to be halted. Register access is enabled by clearing module stop mode. For
details, refer to section 24, Power-Down Modes.
15.10.2 Break Detection and Processing (Asynchronous Mode Only)
When framing error (FER) detection is performed, a break can be detected by reading the RxD pin
value directly. In a break, the input from the RxD pin becomes all 0s, setting the FER flag, and
possibly the PER flag. Note that as the SCI continues the receive operation after receiving a break,
even if the FER flag is cleared to 0, it will be set to 1 again.
15.10.3 Mark State and Break Detection (Asynchronous Mode Only)
When TE is 0, the TxD pin is used as an I/O port whose direction (input or output) and level are
determined by DDR. This can be used to set the TxD pin to mark state (high level) or send a break
during serial data transmission. To maintain the communication line at mark state until TE is set to
1, set both DDR and DR to 1. As TE is cleared to 0 at this point, the TxD pin becomes an I/O port,
and 1 is output from the TxD pin. To send a break during serial transmission, first set PDR to 1
and DR to 0, and then clear TE to 0. When TE is cleared to 0, the transmitter is initialized
regardless of the current transmission state, the TxD pin becomes an I/O port, and 0 is output from
the TxD pin.
15.10.4 Receive Error Flags and Transmit Operations (Clocked Synchronous Mode Only)
Transmission cannot be started when a receive error flag (ORER, PER, or FER) is set to 1, even if
the TDRE flag is cleared to 0. Be sure to clear the receive error flags to 0 before starting
transmission. Note also that receive error flags cannot be cleared to 0 even if the RE bit is cleared
to 0.
Rev. 6.00 Mar. 18, 2010 Page 625 of 982
REJ09B0054-0600
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