HD6417032F20V Renesas Electronics America, HD6417032F20V Datasheet - Page 247

• Manufacturer Part Number: HD6417032F20V
• Description: SH1 ROMLESS LEAD FREE
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7030r

Specifications of HD6417032F20V

• 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 Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 112-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

9.4.3
In this example, the results of an A/D conversion by the on-chip A/D converter are transferred to
external memory using DMAC channel 3. Input from channel 0 (AN0) is A/D-converted using
scan mode. Table 9.9 shows the transfer conditions and register settings.
Table 9.9
Transfer Conditions
Transfer source: ADDRA of on-chip A/D converter
Transfer destination: external memory
Number of transfers: 16
Transfer destination address: incremented
Transfer source address: fixed
Transfer request source (transfer request signal): A/D
converter (ADI)
Bus mode: cycle-steal
Transfer unit: word
DEI interrupt request generated at end of transfer (channel 3
enabled for transfer)
Channel priority order: fixed (0 > 3 > 2 > 1) (all channels
enabled for transfer)
Example of DMA Transfer Between On-Chip A/D Converter and External
Memory
Transfer Conditions and Register Settings for Transfer Between On-Chip A/D
Converter and External Memory
Section 9 Direct Memory Access Controller (DMAC)
Rev. 7.00 Jan 31, 2006 page 219 of 658
SAR3
CHCR3
Register
DAR3
TCR3
DMAOR
Setting
H'FFFFEE0
(ADDRAH register
address)
Destination address
H'0010
H'4D0D
H'0001
REJ09B0272-0700