STW4811M Datasheet, PDF (47/86 Pages) STMicroelectronics – Power management for multimedia processors

Functional description
STw4811M/STw4811N
4.4.1 Block diagram
Figure 13. USB OTG transceiver block diagram
VBAT_DIG
VMINUS_DIG
USB_INTn
USBSCL
USBSDA
SCL
SDA
SW_RESETn
USBVP
USBVM
USBOEn
USBRCV
VBAT_USB
CP CN
Interrupt
Control
Register
vbus_vld
sess_vld
dn_hi
dp_hi
bdis_acon
id_gnd_forced
id_float
cr_int
CLK
Charge
vbus_drv
REF
pump
5V - 100mA
VBUS_MONITOR
vbus_vld
4.4 V
sess_vld
1.9 V
100 mA
vbus_chrg
RA_BUS_IN
usb_en
usb_i2c_ctrl
B_sess_end
B_sess_end
vbus_drv
bdis_acon_en
dn_pullup
dp_pullup
Control _{dn_pulldown}
Registers dp_pulldown
id_gnd
vbus_chrg
vbus_dischrg
speed
uart_en
dat_se0
oe_int_en
suspend
0.6 V
Gnd
vbus_dischrg
VUSB_LDO
DP_MONITOR
cr_int
DP
5.7 R
DP < [0.4 to 0.6] V ^R
RXD ^TRANCEIVER
RXD
dn_pullup ^dp_pullup
DAT_VP
SEO_VM
Diff Tx
OE_TP_INT
SINGLE
RCV
ENDED
DECODER
out_diff_Rx
suspend
Diff Rx
SE_DP
VP
dn_pulldown
SE_DN
VM
dp_pulldown
VBUS
VBAT_USB
VUSB
DP
DN
IT_WAKE_UP
Open
Drain
Plug detect
Management
OR
sess_vld
VBAT_USB
R
RID_PU
id_float
0.85*ID
ID
4.7 R
id_gnd
0.15*ID
ID Detector ^R
id_gnd
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