DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 529

• Manufacturer Part Number: DF3048BVX25V
• Description: MCU 3/5V 128K PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3048BVX25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K 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: -

Start transmitting or receiving
CKE1, and CKE0 bits in SCR
Set RIE, TIE, TEIE, MPIE,
Set TE or RE to 1 in SCR
(leaving TE and RE bits
Set RIE, TIE, TEIE, and
MPIE bits as necessary
Select communication
Start of initialization
Set value in BRR
Clear TE and RE
bits to 0 in SCR
format in SMR
cleared to 0)
1 bit interval
elapsed?
Yes
Figure 13.15 Sample Flowchart for SCI Initialization
Wait
No
1
2
3
4
Note: In simultaneous transmitting and receiving, the TE and
1.
2.
3.
4.
Select the clock source in SCR. Clear the RIE, TIE, TEIE,
MPIE, TE, and RE bits to 0.
Select the communication format in SMR.
Write the value corresponding to the bit rate in BRR.
This step is not necessary when an external clock is used.
Wait for at least the interval required to transmit or receive
one bit, then set the TE or RE bit to 1 in SCR. Also set
the RIE, TIE, TEIE, and MPIE bits as necessary.
Setting the TE or RE bit enables the SCI to use the
TxD or RxD pin.
RE bits should be cleared to 0 or set to 1 simultaneously.
Section 13 Serial Communication Interface
Rev. 3.00 Sep 27, 2006 page 501 of 872
REJ09B0325-0300