HD64F2612FA20 Renesas Electronics America, HD64F2612FA20 Datasheet - Page 378
HD64F2612FA20
Manufacturer Part Number
HD64F2612FA20
Description
IC H8S MCU FLASH 128K 80QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2612FA20
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
43
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
80-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
HD64F2612FA20
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
Part Number:
HD64F2612FA20J
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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Section 14 Serial Communication Interface (SCI)
14.4.4
Before transmitting and receiving data, you should first clear the TE and RE bits in SCR to 0, then
initialize the SCI as described below. When the operating mode, or transfer format, is changed for
example, the TE and RE bits must be cleared to 0 before making the change using the following
procedure. 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.
Rev. 7.00 Sep. 11, 2009 Page 342 of 566
REJ09B0211-0700
SCI Initialization (Asynchronous Mode)
SCR to 1, and set RIE, TIE, TEIE,
Clear TE and RE bits in SCR to 0
Set CKE1 and CKE0 bits in SCR
Set data transfer format in
<Initialization completion>
1-bit interval elapsed?
Set TE and RE bits in
Start initialization
Set value in BRR
SMR and SCMR
(TE, RE bits 0)
and MPIE bits
Figure 14.5 Sample SCI Initialization Flowchart
Yes
Wait
No
[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.
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