Datasheet

Table Of Contents
Section 15 Universal Serial Bus Interface (USB)
REJ09B0140-0900 Rev. 9.00 Page 491 of 846
Sep 16, 2010
H8S/2215 Group
Registers
1288-byte FIFO
EP3i
UDC synchronization
circuit
Interface
Internal
transceiver
[Connection/disconnection]
[Data]
[Internal bus]
[System clock]
[USB operating clock]
[Interrupt request signal]
[DMA internal request signal]
[Power mode selection]
[External transceiver connection]
[Power supply]
Peripheral data bus
Peripheral address bus
Peripheral bus control
signal
EXIRQ0, EXIRQ1
DREQ0, DREQ1
IRQ6
(12 MHz)
(48 MHz)
(48 MHz)
(16 MHz or 24 MHz
*
)
φ
EXTAL48
XTAL48
VBUS
[Suspend]
USPND
UBPM
DrVss
Rs
Rs
DrVcc
VP
RCV
VPO
VM
OE
FSE0
SUSPEND
UDC core
USD+
USD-
D+
D-
PLL
circuit
(×3)
(×2)*
USB
clock
generator
UDC: USB Device Controller
EP0s: Endpoint 0 setup FIFO
EP0i to 5i: Endpoint 0 to 5 In FIFO
EP0o to 4o: Endpoint 0 to 4 Out FIFO
Note: * Available only in H8S/2215R, H8S/2215T and H8S/2215C.
Legend:
EP0o
EP3oEP1i
EP2iEP0s
EP2o
EP5i
EP4i
EP4oEP0i
USB
Figure 15.1 Block Diagram of USB