R7KA8M2AFDCAM datasheet(222/295 Pages) RENESAS

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Observation

point

50 pF

USB_DP

USB_DM



Figure 2.126

Test circuit in full-speed mode

2.4.2

USBHS Timing

Table 2.87

USBHS low-speed characteristics for host only (USB_DP and USB_DM pin characteristics)

Conditions: USBHS_RREF = 2.2 kΩ ± 1%, USBMCLK = 12/20/24/48 MHz, USBCLK = 48MHz, USB60CLK = 60MHz

Parameter

Symbol

Min

Typ

Max

Unit

Test conditions

Input

characteristics

Input high voltage

VIH

2.0

—

Input low voltage

VIL

—

0.8

—

Differential input sensitivity

VDI

0.2

—

| USB_DP - USB_DM |

Differential common-mode range

VCM

0.8

—

2.5

—

Output

characteristics

Output high voltage

VOH

2.8

—

3.6

IOH = –200 µA

Output low voltage

VOL

0.0

—

0.3

IOL = 2 mA

Cross-over voltage

VCRS

1.3

—

2.0

Figure 2.127

Rise time

tLR

—

300

Fall time

tLF

—

300

Rise/fall time ratio

tLR / tLF

—

125

tLR/ tLF

Pull-up and

pull-down

characteristics

USB_DP and USB_DM pull-down

resistance in host controller mode

Rpd

14.25

—

24.80

kΩ

—

USB_DP,

USB_DM

tLF

tLR

90%

10%

90%

VCRS

Figure 2.127

USB_DP and USB_DM output timing in low-speed mode

RA8M2 Datasheet

2. Electrical Characteristics

R01DS0438EJ0130 Rev.1.30

Feb 27, 2026

Page 222 of 295

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