HD6417020SVX12I Renesas Electronics America, HD6417020SVX12I Datasheet - Page 408
HD6417020SVX12I
Manufacturer Part Number
HD6417020SVX12I
Description
IC SUPERH MPU ROMLESS 100TQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7020r
Datasheet
1.HD6417020SVX12IV.pdf
(511 pages)
Specifications of HD6417020SVX12I
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
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Price
Part Number:
HD6417020SVX12I
Manufacturer:
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Quantity:
20 000
Company:
Part Number:
HD6417020SVX12IV
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In receiving, the SCI operates as follows:
1. The SCI synchronizes with serial clock input or output and initializes internally.
2. Receive data is shifted into the RSR in order from the LSB to the MSB. After receiving the
data, the SCI checks that RDRF is 0 so that receive data can be loaded from the RSR into the
ORER
RDRF
Serial
Serial
clock
data
RXI request
Receive direction
Figure 13.18 Sample Flowchart for Serial Receiving (cont)
Bit 7
Figure 13.19 Example of SCI Receive Operation
and clears RDRF to 0
RXI interrupt handler
Bit 0
reads data in RDR
No
1 frame
Clear ORER bit of SSR to 0
Overrun error handling
Bit 7
Error handling
ORER = 1?
End
RXI request
Bit 0
Yes
Bit 1
Bit 6
RENESAS 391
error, ERI
Overrun
request
Bit 7
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