HD64F2318VTE25 Renesas Electronics America, HD64F2318VTE25 Datasheet - Page 470
HD64F2318VTE25
Manufacturer Part Number
HD64F2318VTE25
Description
IC H8S MCU FLASH 256K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of HD64F2318VTE25
Core Processor
H8S/2000
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
71
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 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
Contains lead / RoHS non-compliant
Eeprom Size
-
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Section 12 Serial Communication Interface (SCI)
12.2
12.2.1
RSR is a register used to receive serial data.
The SCI sets serial data input from the RxD pin in RSR in the order received, starting with the
LSB (bit 0), and converts it to parallel data. When one byte of data has been received, it is
transferred to RDR automatically.
RSR cannot be directly read or written to by the CPU.
12.2.2
RDR is a register that stores received serial 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, and completes the receive operation. After this, RSR is receive-enabled.
Since RSR and RDR function as a double buffer in this way, continuous receive operations can be
performed.
RDR is a read-only register, and cannot be written to by the CPU.
RDR is initialized to H'00 by a reset, and in standby mode or module stop mode.
Rev.7.00 Feb. 14, 2007 page 436 of 1108
REJ09B0089-0700
Bit
Initial value :
R/W
Bit
R/W
Register Descriptions
Receive Shift Register (RSR)
Receive Data Register (RDR)
:
:
:
:
—
R
7
7
0
—
R
6
6
0
—
R
5
5
0
—
R
4
4
0
—
R
3
3
0
—
R
2
2
0
—
R
1
1
0
—
R
0
0
0
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