DF2211NP24V Renesas Technology / Hitachi Semiconductor, DF2211NP24V Datasheet - Page 212

• Manufacturer Part Number: DF2211NP24V
• Description: H8S/2200 Series, 2212 Group, USB, RTC, HSS TNP-64B; Vcc= 2.7 to 3.6 volts, Temp= -20 to 75 C; Package: PVQN0064LB-A
• Manufacturer: Renesas Technology / Hitachi Semiconductor

A block diagram of the DMAC is shown in figure 7.1.
Rev.7.00 Dec. 24, 2008 Page 158 of 698
REJ09B0074-0700
Internal interrupts
USB request signals
Interrupt signals
Legend:
DMATCR:
DMABCR:
DMACR:
MAR:
IOAR:
ETCR:
Note: * Reserved register
TGI0A
TGI1A
TGI2A
TXI0
RXI0
ADI
DREQ0
DREQ1
DEND0A
DEND0B
DEND1A
DEND1B
DMA terminal control register*
DMA band control register (for all channels)
DMA control register
Memory address register
I/O address register
Executive transfer counter register
Figure 7.1 Block Diagram of DMAC
Data buffer
Control logic
DMABCR
DMATCR
DMACR0A
DMACR0B
DMACR1A
DMACR1B
Internal address bus
Internal address bus
Addres buffer
Processor
MAR0A
MAR0B
MAR1A
MAR1B
ETCR0A
ETCR0B
ETCR1A
ETCR1B
IOAR0A
IOAR0B
IOAR1A
IOAR1B