mc68hc05jb4p Freescale Semiconductor, Inc, mc68hc05jb4p Datasheet - Page 95

• Manufacturer Part Number: mc68hc05jb4p
• Description: Mc68hc705jb4 Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

MC68HC05JB4
REV 2
Endpoint 0 Receive Ready to Receive?
Endpoint 0 Receive Enabled?
Figure 10-30. SETUP Token Data Flow for Receive Endpoint 0
(RX0E = 1) && (RXD0F = 0)
Receive Control Endpoint
Error free DATA packet?
received for Endpoint 0
Valid SETUP token
Interrupt generated
set/clear RSEQ bit
Interrupt Enabled?
Valid transaction
Set SETUP to 1
Set RXD0F to 1
(RXD0IE = 1)
(USBEN = 1)
STALL0 = 0?
Accept Data
Y
Freescale Semiconductor, Inc.
Y
Y
Y
Y
Y
Y
Y
For More Information On This Product,
UNIVERSAL SERIAL BUS MODULE
Go to: www.freescale.com
February 24, 1999
N
N
N
N
N
Clear STALL0 bit
GENERAL RELEASE SPECIFICATION
from USB function
Ignore transaction
No response from
from USB function
No Response
USB function
No Response
No Interrupt