HD6417020SVX12IV Renesas Electronics America, HD6417020SVX12IV Datasheet - Page 362
HD6417020SVX12IV
Manufacturer Part Number
HD6417020SVX12IV
Description
MCU 3/5V 0K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7020r
Datasheet
1.HD6417020SVX12IV.pdf
(511 pages)
Specifications of HD6417020SVX12IV
Core Processor
SH-1
Core Size
32-Bit
Speed
12.5MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Type
ROMless
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
HD6417020SVX12IV
Manufacturer:
RENESAS
Quantity:
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HD6417020SVX12IV
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13.2.4
The transmit data register (TDR) is an eight-bit register that stores data for serial transmission.
When the SCI detects that the transmit shift register (TSR) is empty, it moves transmit data written
in the TDR into the TSR and starts serial transmission. Continuous serial transmission is possible
by writing the next transmit data in the TDR during serial transmission from the TSR.
The CPU can always read and write the TDR. The TDR is initialized to H'FF by a reset or in
standby mode.
13.2.5
The serial mode register (SMR) is an eight-bit register that specifies the SCI serial communication
format and selects the clock source for the baud rate generator.
The CPU can always read and write the SMR. The SMR is initialized to H'00 by a reset or in
standby mode.
• Bit 7 (communication mode (C/A)): C/A selects whether the SCI operates in the asynchronous
Bit 7: C/A
0
1
or clocked synchronous mode.
Initial value:
Initial value:
Bit name:
Bit name:
Transmit Data Register
Serial Mode Register
R/W:
R/W:
Bit:
Bit:
R/W
R/W
C/A
7
1
7
0
Description
Synchronous mode (initial value)
Clocked synchronous mode
CHR
R/W
R/W
6
1
6
0
R/W
R/W
PE
5
1
5
0
R/W
R/W
O/E
4
1
4
0
STOP
R/W
R/W
3
1
3
0
R/W
R/W
MP
2
1
2
0
CKS1
R/W
R/W
RENESAS 345
1
1
1
0
CKS0
R/W
R/W
0
1
0
0
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