Fujitsu MB90335 Series Hardware Manual page 293

CHAPTER 12 USB HOST
12.5 Operation of USB HOST
Figure 12.5-1 Connecting Detection Timing Example of Speed Device (HCNT0 Bit 0 = 0)
Pin D+ for HOST
Pin D- for HOST
CSTAT bit of HSTATE
TMODE bit of HSTATE
CNNIRQ bit of HIRQ
HOST bit of HCNT
Note:
The CSTAT bit of the host state status register (HSTATE) becomes "1" in 2.5 μs after the connection
of the external USB device.
The TMODE and CSTAT bits of the host state status register (HSTATE) are updated regardless of
the setting of the HOST bit in the host control register 0 (HCNT0).
272
Device connection
Indeterminate
FUJITSU MICROELECTRONICS LIMITED
MB90335 Series
2.5μs
"0"
CM44-10137-6E