HD64F2166VTE33 Renesas Electronics America, HD64F2166VTE33 Datasheet - Page 428
HD64F2166VTE33
Manufacturer Part Number
HD64F2166VTE33
Description
IC H8S MCU FLASH 512K 144-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of HD64F2166VTE33
Core Processor
H8S/2000
Core Size
16-Bit
Speed
33MHz
Connectivity
I²C, IrDA, LPC, SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
106
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
40K 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
144-TQFP, 144-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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14.4.5
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 14.8. When the operating mode, transfer format, etc., is
changed, 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 in SSR 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 in SSR,
or the contents of RDR. When the external clock is used in asynchronous mode, the clock must be
supplied even during initialization.
Rev. 3.00, 03/04, page 386 of 830
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>
(TE and RE bits are 0)
1-bit interval elapsed?
Set TE and RE bits in
Set value in BRR
Start initialization
SMR and SCMR
and MPIE bits
Figure 14.8 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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