m66291 Renesas Electronics Corporation., m66291 Datasheet - Page 4

• Manufacturer Part Number: m66291
• Description: Assp Usb2.0 Device Controller
• Manufacturer: Renesas Electronics Corporation.

M 6 6 2 9 1 G P / H P
1.2 Block Diagram
R e v 1 . 0 1
The M66291 contains an USB-IP block, an I/O block, a bus interface unit (BIU), and a FIFO memory.
(Oscillator)
(USB Power Supply)
(Pullup Resistance)
(USB Data)
2 0 0 4 . 1 1 . 0 1
•Xin
•Xout
•Vbus
•TrON
•D+
•D-
p a g e 4 o f 1 2 2
I/O Block
D+ Pin Pullup
Input Circuit
/48MHzPLL
Transceiver
Oscillation
Circuit
Buffer
Vbus
USB
Figure 1.2 M66291 Block Diagram
USB-IP
Serial Interface
Controller
Transfer
Engine
(SIE)
Interrupt Controller
CPU Interface Register
FIFO Memory Controller
Controller
Endpoint
FIFO Memory
Interface
(BIU)
Unit
Bus
Bus Interface Pins
•A1-6
•D0-7
•D8-15
•CS
•RD
•LWR
•HWR
Interrupt Pins
•INT0
•INT1/SOF
DMA Control Pins
•Dreq0
•Dack0
•Dreq1
•Dack1
•TC1
Reset Pins
•RST
Test Pins
•TEST