DF3026X25V Renesas Electronics America, DF3026X25V Datasheet - Page 429
![MCU 3V 256K PB-FREE 100-TQFP](/photos/28/61/286123/100-tqfp__100-vqfp_sml.jpg)
DF3026X25V
Manufacturer Part Number
DF3026X25V
Description
MCU 3V 256K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3026X25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
PWM, WDT
Number Of I /o
70
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 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
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF3026X25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Receiving Serial Data (Asynchronous Mode): Figure 12.7 shows a sample flowchart for
receiving serial data and indicates the procedure to follow.
No
No
Read receive data from RDR, and
Read ORER, PER, and FER
clear RDRF flag to 0 in SSR
PER
Clear RE bit to 0 in SCR
Read RDRF flag in SSR
All data received?
Start receiving
flags in SSR
FER
RDRF = 1
Figure 12.7 Sample Flowchart for Receiving Serial Data
Initialize
<End>
Yes
Yes
No
OPER = 1
(continued on next page)
Error handling
Yes
(5)
(1)
(2)
(4)
(3)
(2)(3)
(4)
(5)
(1)
SCI initialization:
the receive data input function of the RxD
pin is selected automatically.
Receive error handling and break detection:
if a receive error occurs, read the ORER,
PER, and FER flags in SSR to identify the
error. After executing the necessary error
handling, clear the ORER, PER, and FER
flags all to 0. Receiving cannot resume if
any of these flags remains set to 1. When a
framing error occurs, the RxD pin can be
read to detect the break state.
SCI status check and receive data read:
read SSR, check that the RDRF flag is set
to 1, then read receive data from RDR and
clear the RDRF flag to 0. Notification that
the RDRF flag has changed from 0 to 1 can
also be given by the RXI interrupt.
To continue receiving serial data:
check the RDRF flag, read RDR, and clear
the RDRF flag to 0 before the stop bit of the
current frame is received.
Section 12 Serial Communication Interface
Rev. 2.00 Sep 20, 2005 page 389 of 800
REJ09B0260-0200
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