HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 192

• 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: -

9.1.4
Table 9.2 summarizes the DMAC registers. DMAC has a total of 17 registers. Each channel has
four control registers. One other control register is shared by all channels
Table 9.2
Chan-
nel
0
1
2
3
Shared DMA operation register
Notes: 1. Write 0 alone in bit 1 of CHCR0–CHCR3 to clear flags.
2. Write 0 alone in bits 1 and 2 of the DMAOR to clear flags.
3. Access SAR0–SAR3, DAR0–DAR3, and TCR0–TCR3 by long word or word. If byte
Name
DMA source address register 0
DMA destination address
register 0
DMA transfer count register 0
DMA channel control register 0
DMA source address register 1
DMA destination address
register 1
DMA transfer count register 1
DMA channel control register 1
DMA source address register 2
DMA destination address
register 2
DMA transfer count register 2
DMA channel control register 2
DMA source address register 3
DMA destination address
register 3
DMA transfer count register 3
DMA channel control register 3
Register Configuration
access is used when writing, the value of the register contents becomes undefined; if
used when reading, the value read is undefined.
DMAC Registers
Abbre-
viation
SAR0*
DAR0*
TCR0*
CHCR0
SAR1*
DAR1*
TCR1*
CHCR1
SAR2*
DAR2*
TCR2*
CHCR2
SAR3*
DAR3*
TCR3*
CHCR3
DMAOR R/(W)*
3
3
3
3
3
3
3
3
3
3
3
3
R/W
R/W
R/W
R/W
R/(W)*
R/W
R/W
R/W
R/(W)*
R/W
R/W
R/W
R/(W)*
R/W
R/W
R/W
R/(W)*
1
1
1
1
2
Initial
Value
Undefined H'5FFFF40
Undefined H'5FFFF44
Undefined H'5FFFF4A 16, 32
H'0000
Undefined H'5FFFF50
Undefined H'5FFFF54
Undefined H'5FFFF5A 16, 32
H'0000
Undefined H'5FFFF60
Undefined H'5FFFF64
Undefined H'5FFFF6A 16, 32
H'0000
Undefined H'5FFFF70
Undefined H'5FFFF74
Undefined H'5FFFF7A 16, 32
H'0000
H'0000
Address
H'5FFFF4E 8, 16, 32
H'5FFFF5E 8, 16, 32
H'5FFFF6E 8, 16, 32
H'5FFFF7E 8, 16, 32
H'5FFFF48
RENESAS 173
Access
Size
16, 32
16, 32
16, 32
16, 32
16, 32
16, 32
16, 32
16, 32
8, 16, 32