HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 381

• Manufacturer Part Number: HD6477021X20V
• Description: MCU 5V 32K PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7020r

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: -

Clocked Synchronous Mode:
• The communication format has a fixed eight-bit data length.
• In receiving, it is possible to detect overrun errors (ORER).
• An internal or external clock can be selected as the SCI clock source.
Table 13.8 Serial Mode Register Settings and SCI Communication Formats
Mode
Asynchronous
Asynchronous
(multiprocessor
format)
Clocked
synchronous
Note: Asterisks (*) in the table indicate don’t-care bits.
RENESAS 364
When an internal clock is selected, the SCI operates using the on-chip baud rate generator,
When an external clock is selected, the SCI operates on the input serial clock. The on-chip
and outputs a serial clock signal to external devices.
baud rate generator is not used.
Bit 7:
C/A
0
1
Bit 6:
CHR
0
1
0
1
*
SMR Settings
Bit 5:
PE
0
1
0
1
*
*
*
*
*
Bit 2:
MP
0
1
*
Bit 3:
STOP
0
1
0
1
0
1
0
1
0
1
0
1
*
Data
Length
8-bit
7-bit
8-bit
7-bit
8-bit
SCI Communication Format
Parity
Bit
Absent
Present
Absent
Present
Absent
Multipro-
cessor Bit
Absent
Present
Absent
Stop Bit
Length
1 bit
2 bits
1 bit
2 bits
1 bit
2 bits
1 bit
2 bits
1 bit
2 bits
1 bit
2 bits
None