MAX7057ASE+ Maxim Integrated Products, MAX7057ASE+ Datasheet - Page 14

• Manufacturer Part Number: MAX7057ASE+
• Description: RF Transmitter IC TRANSMITTER ASK/FSK
• Manufacturer: Maxim Integrated Products

Specifications of MAX7057ASE+

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

300MHz to 450MHz Frequency-Programmable
ASK/FSK Transmitter
Table 3. Register Configuration
Table 4. Control Register (Address: 0x00)
Table 5. Configuration 0 Register (Address: 0x01)
14
CONTRL
CONFIG0
HIFREQ1
HIFREQ0
LOFREQ1
LOFREQ0
FLOAD
DATAIN
EN
CONFIG1
STATUS
NAME
BIT
BIT
0
1
2
3
4
5
4-0
7-5
______________________________________________________________________________________
ADDRESS
spioffsht
ckouton
NAME
ckouts
shape
mode
pllbw
ckdiv[2:0]
0x0C
cap[4:0]
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
NAME
fhi/lo[15]
ckdiv[2]
ASK(0) or FSK(1)
Crystal clock output enable(1) on GPO output
Crystal clock output enable(1) while part is in shutdown mode
Disable(0) or enable(1) transmitter envelope-shaping resistor
PLL bandwidth setting, low(0) = 300kHz or high(1) = 600kHz; 300kHz is recommended for fractional-N
and 600kHz for fixed-N
Enable(0) or disable(1) SPI communication during shutdown
fhi[15]
flo[15]
BIT 7
fhi[7]
flo[7]
—
—
—
5-bit capacitor setting
3-bit clock output frequency divider
0
0
fhi/lo[14]
ckdiv[1]
fhi[14]
flo[14]
BIT 6
fhi[6]
flo[6]
—
—
—
0
0
fhi/lo[13] fhi/lo[12]
spioffsht
ckdiv[0]
fhi[13]
flo[13]
BIT 5
fhi[5]
flo[5]
—
—
—
0
cap[4]
fhi[12]
flo[12]
BIT 4
pllbw
fhi[4]
flo[4]
—
—
—
0
cap[3]
fhi[11]
flo[11]
FUNCTION
shape
BIT 3
fhi[3]
flo[3]
FUNCTION
DATA
—
—
—
X
0
gposel[2]
ckouts
cap[2]
fhi[10]
flo[10]
BIT 2
fhi[2]
flo[2]
—
—
—
0
gposel[1]
TxREADY
ckouton
cap[1]
BIT 1
fhi[9]
fhi[1]
flo[9]
flo[1]
—
—
—
enable_bit
datain_bit
gposel[0]
NoXTAL
cap[0]
mode
BIT 0
fhi[8]
fhi[0]
flo[8]
flo[0]
fload
MODE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R