RX64M_15 Datasheet, PDF (205/230 Pages) Renesas Technology Corp – Renesas MCUs

RX64M Group
5.4 USB Characteristics
5. Electrical Characteristics
Table 5.42 On-Chip USB Low Speed (Host Only) Characteristics (DP and DM Pin Characteristics)
Conditions: VCC = AVCC0 = AVCC1 = VCC_USB = V_BATT = 3.0 to 3.6 V, 3.0 ≤ VREFH0 ≤ AVCC0,
VCC_USBA = AVCC_USBA = 3.0 to 3.6 V,
VSS = AVSS0 = AVSS1 = VREFL0 = VSS_USB = VSS1_USBA = VSS2_USBA = PVSS_USBA = AVSS_USBA = 0 V,
USBA_RREF = 2.2 kΩ ±1%, USBMCLK = 20/24 MHz, UCLK = 48 MHz,
PCLKA = 8 to 120 MHz, PCLKB = 8 to 60 MHz, T_a = T_opr
Item
Input
Input high level voltage
characteristics _{Input low level voltage}
Differential input sensitivity
Differential common mode range
Output
Output high level voltage
characteristics _{Output low level voltage}
Cross-over voltage
Rise time
Fall time
Rise/fall time ratio
Pull-down
DP/DM pull-down resistance
characteristics (when the host controller function is
selected)
Symbol
V_IH
V_IL
V_DI
V_CM
V_OH
V_OL
V_CRS
t_LR
t_LF
t_LR / t_LF
R_pd
Min.
2.0
—
0.2
0.8
2.8
0.0
1.3
75
75
80
14.25
Typ.
—
—
—
—
—
—
—
—
—
—
—
Max. Unit
—
V
0.8
V
—
V
2.5
V
3.6
V
0.3
V
2.0
V
300 ns
300 ns
125
%
24.80 kΩ
Test Conditions
| DP – DM |
I_OH = –200 μA
I_OL = 2 mA
Figure 5.75
t_LR/ t_LF
DP, DM ^VCRS
90%
10%
Figure 5.75
t_LR
DP and DM Output Timing (Low Speed)
90%
10%
t_LF
dp
USB0: 27 
USBA: Not
necessary
dm
Figure 5.76 Test Circuit (Low Speed)
Observation
point
200 pF to
600 pF
3.6 V
1.5 K
200 pF to
600 pF
R01DS0173EJ0100 Rev.1.00
Jul 31, 2014
Page 205 of 230