DF2266TF13V Renesas Electronics America, DF2266TF13V Datasheet - Page 360
![IC H8S/2266 MCU FLASH 100-TQFP](/photos/12/29/122926/df2266tf13v_sml.jpg)
DF2266TF13V
Manufacturer Part Number
DF2266TF13V
Description
IC H8S/2266 MCU FLASH 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2266TF20V.pdf
(712 pages)
Specifications of DF2266TF13V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
13MHz
Connectivity
I²C, SCI, SmartCard
Peripherals
LCD, POR, PWM, WDT
Number Of I /o
67
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 10x10b
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
-
- Current page: 360 of 712
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Section 13 Serial Communication Interface (SCI)
Other than the above registers, SCI_0 has the following register.
• Serial Expansion Mode Register (SEMR0)
13.3.1
RSR is a shift register that is used to receive serial data input to the RxD pin and convert it into
parallel data. When one byte of data has been received, it is transferred to RDR automatically.
RSR cannot be directly accessed by the CPU.
13.3.2
RDR is an 8-bit register that stores received data. When the SCI has received one byte of serial
data, it transfers the received serial data from RSR to RDR, where it is stored. After this, RSR is
receive-enabled. As RSR and RDR function as a double buffer in this way, continuous receive
operations are possible. After confirming that the RDRF bit in SSR is set to 1, read RDR only
once.
RDR cannot be written to by the CPU.
RDR is initialized to H'00 by a reset, in standby mode, watch mode,subactive mode, subsleep
mode or module stop mode.
13.3.3
TDR is an 8-bit register that stores data for transmission. When the SCI detects that TSR is empty,
it transfers the transmit data written in TDR to TSR and starts transmission. The double-buffered
structure of TDR and TSR enables continuous serial transmission. If the next transmit data has
already been written to TDR during serial transmission, the SCI transfers the written data to TSR
to continue transmission. Although TDR can be read or written to by the CPU at all times, to
achieve reliable serial transmission, write transmit data to TDR only once after confirming that the
TDRE bit in SSR is set to 1.
TDR is initialized to H'FF by a reset, in standby mode, watch mode, subactive mode, subsleep
mode or module stop mode.
Rev. 5.00 Sep. 01, 2009 Page 308 of 656
REJ09B0071-0500
Receive Data Register (RDR)
Transmit Data Register (TDR)
Receive Shift Register (RSR)
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