BCM43907 Datasheet, PDF (77/128 Pages) Cypress Semiconductor – WICED™ IEEE 802.11 a/b/g/n SoC with an Embedded Applications Processor

BCM43907 Preliminary Data Sheet
Recommended Operating Conditions and DC Characteristics
Recommended Operating Conditions and DC Characteristics
Caution! Functional operation is not guaranteed outside of the limits shown in Table 18. Operation
outside these limits for extended periods can adversely affect long-term reliability of the device.
Table 18: Recommended Operating Conditions and DC Characteristics
Parameter
Symbol
Minimum
DC supply voltage for VBAT
VBAT
2.3^a
DC supply voltage for digital I/O
VDDIO
1.71
DC supply voltage for I²S I/O
VDDIO_I2S
1.71
DC supply voltage for RF switch I/Os
VDDIO_RF^b
3.13
DC supply voltage for Ethernet I/O
VDDIO_RMII
1.71
DC supply voltage for SDIO I/O
VDDIO_SD
1.71
DC input supply voltage for CLDO, LNLDO, –
1.3
and BBPLL LDO
3.3V DC supply for USB
USB2_AVDD33
2.97
USB2_AVDD33LDO
USB2_AVDD33IO
3.3V DC supply voltage for RF analog
VDD3P3RF^c
3
1.35V DC supply voltage for RF analog _VDD1P35RF^c
1.3
1.2V DC supply voltage for RF analog
VDD1P2RF^c
1.1
1.2V DC supply voltage for analog
VDD1P2A^c
1.1
DC supply voltage for core
VDDC
1.14
DC supply voltage for OTP memory
OTP_VDD3P3^b
2.97
DC supply voltage for TCXO input buffer _{WRF_TCXO_VDD}^c 1.62
Internal POR threshold
Vth_POR
0.4
SDIO Interface I/O Pins
For VDDIO_SD = 1.8V:
Input high voltage
Input low voltage
Output high voltage @ 2 mA
Output low voltage @ 2 mA
For VDDIO_SD = 3.3V:
Input high voltage
Input low voltage
VIH
VIL
VOH
VOL
VIH
VIL
1.27
–
1.40
–
0.625 ×
VDDIO
–
Value
Typical Maximum Unit
3.6
4.8
V
–
3.63
V
–
3.63
V
3.3
3.6
V
–
3.63
V
–
3.63
V
1.35
1.5
V
3.3
3.63
V
3.3
3.45
V
1.35
1.5
V
1.2
1.26
V
1.2
1.26
V
1.2
1.26
V
3.3
3.63
V
1.8
1.98
V
–
0.7
V
–
–
V
–
0.58
V
–
–
V
–
0.45
V
–
–
V
–
0.25 ×
V
VDDIO
Broadcom^®
March 12, 2016 • 43907-DS104-R
BROADCOM CONFIDENTIAL
Page 76