HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 114

• 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: -

94 RENESAS
WCR: Wait state control register
BCR: Bus control register
DCR: DRAM area control register
RCR: Refresh control register
CMI interrupt request
controller
Interrupt
PEI interrupt request
CASH, CASL
CS7 to CS0
WRH, WRL
HBS, LBS
DPH, DPL
WAIT
RAS
RD
AH
Figure 8.1 BSC Block Diagram
Parity control
Area control
Wait control
control
DRAM
unit
unit
unit
unit
RTCSR: Refresh timer control/status register
RTCNT: Refresh timer counter
RTCOR: Refresh time constant register
PCR: Parity control register
Comparator
RTCOR
RTCSR
RTCNT
WCR1
WCR2
WCR3
BCR
DCR
RCR
PCR
interface
Bus