FEDL7051LA-02
1
Semiconductor
ML7051LA
PIN DESCRIPTIONS
RF I/F
Pin Name
TXD
RXD
PLL_DATA
PLL_CLK
PLL_LE
PLL_OFF
RSSI
RSSI_CLK
PLL_POW
TX_POW
RX_POW
PLL_PS
PLLLOCK
RXC
I/O
O
I
O
O
O
O
I
O
O
O
O
O
I
O
Internal
Pull Up/Down
—
—
—
—
—
—
Pull down
—
—
—
—
—
Pull down
—
Initial Value
—
—
L
L
L
L
—
—
H
H
H
L
L
L
Pin
Placement
A5
E11
D5
B6
A6
C7
D10
D8
D7
C8
B7
B4
D6
C5
Description
Transmit data output
(To ML7050LA Pin# A8)
Receive data input
(To ML7050LA Pin# H5)
PLL setting data output
(To ML7050LA Pin# H3)
PLL setting clock output
(To ML7050LA Pin# G3)
PLL setting load enable output
(To ML7050LA Pin# H4)
PLL Open-loop/Closed-loop control signal
output (To ML7050LA Pin# G8)
Receive field strength data input
(To ML7050LA Pin# G6)
RSSI transfer clock
(To ML7050LA Pin# H8)
Local transmit circuit power control signal
output (To ML7050LA Pin# A7)
Transmit power control signal output
(To ML7050LA Pin# B6)
Receive power control signal output
(To ML7050LA Pin# B3)
PLL power control signal output
PLL lock signal input
Bluetooth receive clock output (1 MHz)
Bluetooth transmit clock input (1 MHz)
TXC_IN
I
Pull down
L
D13
When the transmit clock is used by a clock
(RXC) that is generated from the receive
data, set TXCSEL(Pin# C11) to H and
connect to RXC(Pin# C5).
Bluetooth transmit clock setting pin
TXCSEL
I
Pull down
L
C11
L: Select 1 MHz divided by internal PLL.
H: Select TXC_IN input signal.
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