User Manual

CONFIDENTIAL
© 2000~2011 iSSC Technologies Corp.
14
Appendix C: PIN Assignment
Pin # I/O Name Description
1 P GND Ground
2 I SAR_BAT Reserved
3 I BAT_IN_5V 5V power input
4 I BAT_IN 3.3V power input
5 I SW_BTN Reserved
6 P LDO33_O 3V3 LDO output
7 P VDD_IO
Main power supply
8 P LDO18_O LDO18 output
9 I
WAKEUP
Wakeup BM57 from Shutdown State. (Low Active)
It is only valid while BM57 into Shutdown State.
10 P PMULDO_O Output of PMULDO
11 O
P04
UART_TX_IND:
H: BM57 indicate UART data will be transmitted out after a certain timing
(setting by EEPROM, default 5 ms)
L: Otherwise.
STATUS_IND_2: BM57 State indication , refer to P22
12 I/O
P12/ SCL I2C_SCL, for Authentication Coprocessor 2.0B
13 I/O
P13/ SDA I2C_SDA, for Authentication Coprocessor 2.0B
14 I/O P16 EEPROM WP
Chip Antenna
BM57_V2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
17
19
32
31
30
29
28
27
26
25
24
23
22
21
20
GND
SAR_BAT
BAT_IN_5V
BAT_IN
SW_BTN
LDO33_O
VDD_IO
LDO18_O
WAKEUP
PMULDO_O
P04
P12 / SCL
P13 / SDA
P16
USB_DM P20
P24
P21
BT_RF
GND
LED1
P07
P25
P23
P27
P26
HCI_TXD
HCI_RXD
RST_N
EAN
P22
USB_DP
1815
16