RA4M3 datasheet(61/92 Pages) RENESAS

61 / 92 page

Note:

Must use pins that have a letter appended to their name, for instance “_A”, “_B”, to indicate group membership. For the SD/MMC

Host interface, the AC portion of the electrical characteristics is measured for each group.

SDnCLK

(output)

SDnCMD/SDnDATm

(input)

SDnCMD/SDnDATm

(output)

TSDODLY(max)

TSDIS

TSDIH

TSDLH

TSDHL

TSDCYC

TSDWH

TSDWL

TSDODLY(min)

n = 0, 1, m = 0 to 7

Figure 2.49

SD/MMC Host Interface signal timing

2.4

USB Characteristics

2.4.1

USBFS Timing

Table 2.33

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

Conditions: VCC = AVCC0 = VCC_USB = VBATT = 3.0 to 3.6V, 2.7 ≤ VREFH0/VREFH ≤ AVCC0, USBCLK = 48 MHz

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 2.50

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 2.50

USB_DP and USB_DM output timing in low-speed mode

RA4M3 Datasheet

2. Electrical Characteristics

R01DS0368EJ0120 Rev.1.20

Dec 2, 2020

Page 61 of 92

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