3.10.10 USB interface
The ESM6270 device integrates a universal serial bus (USB) controller that supports both
unidirectional and bidirectional transceiver interfaces characteristics:
❏
Compliant with both the USB 2.0 Specification and the OTG Supplement
❏
Complies with 3-wire USB support only
❏
USB Transceiver integrated in PM6635 power management device
❏
Either low-speed (1.5Mbps) or full-speed (12Mbps) as a host
❏
In peripheral mode, PM6635 supports charging from VBUS
❏
ESM6270 with PM6635 also supports analog car kit mode (CEA-936-A)
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 57 -
Route together
D
D
Route together
0
R425
+VPWR
0
R423
2
6
HSD2-
10
SEL
VCC
9
_OE
8
U404
FSUSB30UMX
3
D+
5
D-
4
GND
HSD1+
1
HSD1-
7
HSD2+
C447
0.01u
USB+_RINT
USB-_RADC
RMT_INT
RMT_ADC
USB_D+
USB_D-
EAR_SENSE_N
C426
4.7u
R412
47K
USB_VBUS
14
VSW_5V
12
VREG_5V
13
19
USB_SE0
USB_VBUS
16
15
USB_CTL_N
USB_DAT
17
20
USB_D_M
USB_D_P
18
USB_ID
USB_OE_N
GP1_DRV_N_MPP7
21
USB_SE0
USB_OE_N
USB_D+
USB_D-
USB_DAT
USB_CNT_N
[Fig. 3.27] USB interface schematic
Z3X-BOX.COM
Содержание KF690
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