DF3026X25V Renesas Electronics America, DF3026X25V Datasheet - Page 442
![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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Section 12 Serial Communication Interface
Transmitting Serial Data (Synchronous Mode): Figure 12.16 shows a sample flowchart for
transmitting serial data and indicates the procedure to follow.
Rev. 2.00 Sep 20, 2005 page 402 of 800
REJ09B0260-0200
and clear TDRE flag to 0 in SSR
Write transmit data in TDR
Clear TE bit to 0 in SCR
Read TDRE flag in SSR
Read TEND flag in SSR
All data transmitted?
Start transmitting
TDRE = 1
TEND = 1
Initialize
<End>
Figure 12.16 Sample Flowchart for Serial Transmitting
Yes
Yes
Yes
No
No
No
(1)
(2)
(3)
(1)
(2)
(3)
SCI initialization: the transmit data
output function of the TxD pin is
selected automatically.
SCI status check and transmit data
write: read SSR, check that the TDRE
flag is 1, then write transmit data in
TDR and clear the TDRE flag to 0.
To continue transmitting serial data:
after checking that the TDRE flag is 1,
indicating that data can be written,
write data in TDR, then clear the TDRE
flag to 0.
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