EM77950
BB Controller
Pull High
Schmitt
Trigger
Open
Drain
Pin #
Symbol
PTD0~7,
Type
Function Description
Pins 0~7 of Port D
/50KΩ
35~42
43
I/O
I
−
−
−
√
−
√
−
−
−
ADC0~7
Inputs 0~7 of ADC
VREF
Reference voltage for ADC
Pins 0~7 of Port E
Inputs 8~F of ADC
PTE0~7,
ADC8~F
44~51
I/O
Power supply for analog circuit. The power
source value should be within the range of the
operating voltage.
52 AVDD
−
−
−
−
The Table below shows the corresponding relationship between the pad and pins of EM77950B
Pull High
Schmitt
Trigger
Open
Drain
Pin #
Symbol
Type
Function Description
Pin 0 of Port F
/50KΩ
1
2
PTF0/OSCO2 I/O
−
−
−
√
√
√
−
−
−
Selected PLL clock out
Pin 1 of Port F
PF1
I/O
I/O
Pins 0~3 of Port A (default)
Key Wake-up 8~B
KWU8~B,
PA0~3
3~6
7
/RST
−
√
−
−
√
−
−
Reset pin
8~10 PTA4~6
I/O
Pins 4~6 of Port A
Pin 7 of Port A.
PWM0 output
11 PWM0/PTA7
I/O
I/O
−
−
√
√
−
√
Pins 0~3 of Port B (default)
Key Wake-up 0~7
12~15 PB0 ~ PB3
16 DVDD
Power supply for digital circuit. The power
source value should be within the range of the
operating voltage.
−
−
−
−
17 RF_ACT
18 TXRX
19 RFIO
O
O
−
−
−
−
−
−
−
−
−
−
−
−
BB/RF Active
Transceiver modes control
Transceiver to/from RF modem
Ground Pin for Digital circuit
I/O
−
20 DVSS
Data in of SPI
Pin 0 of Port C
21 SDI/PTC0
22 SDO/PTC1
I/O
I/O
√
√
√
√
√
√
Data out of SPI
Pin 1 of Port C
Product Specification (V1.0) 10.09.2007
(This specification is subject to change without further notice)
• 7
ELAN [ ELAN MICROELECTRONICS CORP ]
