HD64F3048BF25 Renesas Electronics America, HD64F3048BF25 Datasheet - Page 487

IC H8 MCU FLASH 128K 100QFP

HD64F3048BF25

Manufacturer Part Number
HD64F3048BF25
Description
IC H8 MCU FLASH 128K 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet

Specifications of HD64F3048BF25

Core Processor
H8/300H
Core Size
16-Bit
Speed
8MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
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 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-

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13.2
13.2.1
RSR is the register that receives serial data.
The SCI loads serial data input at the RxD pin into RSR in the order received, LSB (bit 0) first,
thereby converting the data to parallel data. When 1 byte has been received, it is automatically
transferred to RDR. The CPU cannot read or write RSR directly.
13.2.2
RDR is the register that stores received serial data.
When the SCI finishes receiving 1 byte of serial data, it transfers the received data from RSR into
RDR for storage. RSR is then ready to receive the next data. This double buffering allows data to
be received continuously.
RDR is a read-only register. Its contents cannot be modified by the CPU. RDR is initialized to
H'00 by a reset and in standby mode.
Bit
Read/Write
Bit
Initial value
Read/Write
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
Section 13 Serial Communication Interface
Rev. 3.00 Sep 27, 2006 page 459 of 872
R
3
3
0
R
2
2
0
REJ09B0325-0300
R
1
1
0
R
0
0
0

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