DF2170VTE33 Renesas Electronics America, DF2170VTE33 Datasheet - Page 118

• Manufacturer Part Number: DF2170VTE33
• Description: MCU 3V 256K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2170VTE33

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 33MHz
• Connectivity: SCI, USB
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 76
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -
• Other names: HD64F2170VTE33; HD64F2170VTE33

• Bus arbitration function
• Others
Rev. 2.00, 03/04, page 84 of 534
Includes a bus arbiter that arbitrates bus mastership between the CPU and DMAC
A refresh counter (refresh timer) can be used as an interval timer
DMAC bus acknowledge signal
CPU bus acknowledge signal
Internal data bus
[Legend]
ACSCR :
CSACR :
WTCR :
BCR :
RDNCR :
DRAMCR :
DRACCR :
REFCR :
RTCNT :
RTCOR :
Internal bus control signals
DMAC bus request signal
CPU bus request signal
Internal address bus
Access control register
CS assertion period control register
Wait control register
Bus control register
Read strobe timing control register
DRAM control register
DRAM access control register
Refresh control register
Refresh timer counter
Refresh time constant register
Figure 6.1 Block Diagram of Bus Controller
Control registers
RDNCR
ACSCR
CSACR
WTCR
BCR
Internal bus
External bus controller
Internal bus controller
arbiter
Area decoder
DRAMCR
DRACCR
RTCOR
REFCR
RTCNT
CS3 to CS0