D12674RVFQ33D Renesas Electronics America, D12674RVFQ33D Datasheet - Page 747
D12674RVFQ33D
Manufacturer Part Number
D12674RVFQ33D
Description
MCU 3V 0K I-TEMP 144-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Datasheet
1.D12674RVFQ33V.pdf
(981 pages)
Specifications of D12674RVFQ33D
Core Processor
H8S/2600
Core Size
16-Bit
Speed
33MHz
Connectivity
IrDA, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
103
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 12x10b; D/A 4x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Other names
HD6412674RVFQ33D
HD6412674RVFQ33D
HD6412674RVFQ33D
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
D12674RVFQ33DV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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15.4.4
Before transmitting and receiving data, you should first clear the TE and RE bits in SCR to 0, then
initialize the SCI as shown in figure 15.5. When the operating mode, transfer format, etc., is
changed, the TE and RE bits must be cleared to 0 before making the change. When the TE bit is
cleared to 0, the TDRE flag is set to 1. Note that clearing the RE bit to 0 does not initialize the
contents of the RDRF, PER, FER, and ORER flags, or the contents of RDR. When the external
clock is used in asynchronous mode, the clock must be supplied even during initialization.
Set CKE1 and CKE0 bits in SCR
SCR to 1, and set RIE, TIE, TEIE,
Clear TE and RE bits in SCR to 0
SCI Initialization (Asynchronous Mode)
Set data transfer format in
<Initialization completed>
1-bit interval elapsed?
Set TE and RE bits in
Start of initialization
SMR and SCMR
Set value in BRR
(TE, RE bits 0)
and MPIE bits
Figure 15.5 Sample SCI Initialization Flowchart
Yes
Wait
No
Section 15 Serial Communication Interface (SCI, IrDA)
[1]
[2]
[3]
[4]
[1] Set the clock selection in SCR.
[2] Set the data transfer format in SMR
[3] Write a value corresponding to the
[4] Wait at least one bit interval, then
Be sure to clear bits RIE, TIE,
TEIE, and MPIE, and bits TE and
RE, to 0.
When the clock is selected in
asynchronous mode, it is output
immediately after SCR settings are
made.
and SCMR.
bit rate to BRR. (Not necessary if
an external clock is used.)
set the TE bit or RE bit in SCR to 1.
Also set the RIE, TIE, TEIE, and
MPIE bits.
Setting the TE and RE bits enables
the TxD and RxD pins to be used.
Rev. 3.00 Mar 17, 2006 page 695 of 926
REJ09B0283-0300
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