r8a66597 Renesas Electronics Corporation., r8a66597 Datasheet - Page 161

• Manufacturer Part Number: r8a66597
• Description: Assp Usb2.0 2 Port Host/1 Port Peripheral Controller
• Manufacturer: Renesas Electronics Corporation.

R8A66597FP/DFP/BG
4.5 Measurement Circuit
4.5.1
4.5.2
4.5.3
R e v 1 . 0 1
Pins except USB buffer section
USB buffer block (Peripheral Controller function , Full-Speed)
USB buffer block (Hi-Speed)
O c t 1 7 , 2 0 0 8
P.G.
be measured
be measured
Elements to
Elements to
50Ω
Input
VCC
VCC
GND
GND
p a g e 1 6 1 o f 1 8 3
DM
DM
DP
DP
be measured
Elements to
VIF,VCC
GND
(1) The tr and tf are judged by the transition time of
(2) The electrostatic capacity CL includes the stray
C
C
L
L
the 10% amplitude point and 90% amplitude
point respectively.
capacitance of the wire connection and the input
capacitance of the probe.
D-
D+
D-
D+
R
R
R
R
L
L
(1) The tr and tf are judged by the transition time of
(2) The electrostatic capacity CL includes the
=15kΩ
=15kΩ
L
L
=45Ω
=45Ω
the 10% amplitude point and 90% amplitude
point respectively
the input capacitance of the probe.
stray capacitance of the wire connection and
VIF,VCC
SW1
SW2
R
R
L
L
=1kΩ
=1kΩ
DEND0_N,
DEND1_N
output
Other
D15-0,
SD7-0,
C
C
C
C
L
L
L
L
(1) Input pulse level: 0-3.3V, 0-1.8V
(2) The electrostatic capacity CL includes the stray
Input pulse rise/fall time: tr, tf = 3ns
Input timing standard voltage: VIF/2, VCC/2
Output timing judge voltage: VIF/2, VCC/2
(The tdis(LZ) is judged by 10% of the output
amplitude and the tdis (HZ) by 90% of the output
amplitude.)
capacitance of the wire connection and the input
capacitance of the probe.
tdis(CTRL(LZ))
tdis(CTRL(HZ))
ta(CTRL(ZL))
ta(CTRL(ZH))
Item
Closed
Closed
SW1
Open
Open
Closed
SW2
Closed
Open
Open