HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 397
HD6477021X20V
Manufacturer Part Number
HD6477021X20V
Description
MCU 5V 32K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7020r
Datasheet
1.HD6417020SVX12IV.pdf
(511 pages)
Specifications of HD6477021X20V
Core Processor
SH-1
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (32K x 8)
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6477021X20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Receiving Multiprocessor Serial Data: Figure 13.12 shows a sample flowchart for receiving
multiprocessor serial data. The procedure for receiving multiprocessor serial data is listed below.
1. SCI initialization: select the RxD pin function with the PFC.
2. ID receive cycle: set the MPIE bit in the serial control register (SCR) to 1.
3. SCI status check and compare to ID reception: read the serial status register (SSR), check that
4. Receive error handling and break detection: if a receive error occurs, read the ORER and FER
5. SCI status check and data receiving: read SSR, check that RDRF is set to 1, then read data
RENESAS 380
RDRF is set to 1, then read data from the receive data register (RDR) and compare with the
processor's own ID. If the ID does not match the receive data, set MPIE to 1 again and clear
RDRF to 0. If the ID matches the receive data, clear RDRF to 0.
bits in SSR to identify the error. After executing the necessary error handling, clear both
ORER and FER to 0. Receiving cannot resume if ORER or FER remain set to 1. When a
framing error occurs, the RxD pin can be read to detect the break state.
from the receive data register (RDR).
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