HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 209

• 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: -

190 RENESAS
Transfer request
Figure 9.5 Example of Changes in Priority in External-Pin Round-Robin Mode
(6) Channel 0
(1) Channels
0 and 1
Waiting channel(s)
0
None
None
(2) Channel 1
(3) Channel 1
(4) Channel 0
(5) Channel 0
(7) Channel 0
(8) Channel 0
DMAC operation
transfer starts
transfer ends
transfer starts
transfer ends
transfer starts
transfer ends
does not change
Priority order
Priority order
Priority order
changes
changes
transfer request
Waiting for
Channel priority
3
3
3
3
2
2
2
2
1
0
1
1
0
1
0
0