HD6473228F10V Renesas Electronics America, HD6473228F10V Datasheet - Page 179
HD6473228F10V
Manufacturer Part Number
HD6473228F10V
Description
MCU 5V 32K,PB-FREE 64-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/325r
Datasheet
1.HD6413238F10.pdf
(301 pages)
Specifications of HD6473228F10V
Core Processor
H8/300
Core Size
8-Bit
Speed
10MHz
Connectivity
SCI, UART/USART
Number Of I /o
53
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Peripherals
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6473228F10V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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9.2.2 Receive Data Register (RDR) – H’FFDD
Bit
Initial value
Read/Write
The RDR stores received data. As each character is received, it is transferred from the RSR to the
RDR, enabling the RSR to receive the next character. This double-buffering allows the SCI to
receive data continuously.
The CPU can read but not write the RDR. The RDR is initialized to H’00 at a reset and in the
standby modes.
9.2.3 Transmit Shift Register (TSR)
Bit
Read/Write
The TSR holds the character currently being transmitted. When transmission of this character is
completed, the next character is moved from the transmit data register (TDR) to the TSR and
transmission of that character begins. If the CPU has not written the next character in the TDR, no
data are transmitted.
The CPU cannot read or write the TSR directly.
9.2.4 Transmit Data Register (TDR) – H’FFDB
Bit
Initial value
Read/Write
The TDR is an 8-bit readable/writable register that holds the next character to be transmitted.
When the TSR becomes empty, the character written in the TDR is transferred to the TSR.
Continuous data transmission is possible by writing the next byte in the TDR while the current byte
is being transmitted from the TSR.
The TDR is initialized to H’FF at a reset and in the standby modes.
R/W
—
R
7
0
7
7
1
R/W
—
R
6
0
6
6
1
R/W
—
R
5
0
5
5
1
172
R/W
—
R
4
0
4
4
1
R/W
—
R
3
0
3
3
1
R/W
—
R
2
0
2
2
1
R/W
—
R
1
0
1
1
1
R/W
—
R
0
0
0
0
1
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