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HMC1197LP7FE Datasheet, PDF (16/34 Pages) Hittite Microwave Corporation – Fixed Wireless or WLL
HMC1197LP7FE
v00.0912
WIDEBAND DIRECT QUADRATURE MODULATOR
w/ FRACTIONAL-N PLL & VCO, 100 - 4000 MHz
REGISTER MAP
Reg 00h ID Register (Read Only)
BIT
TYPE
NAME
W
[23:0]
RO
Chip ID
24
DEFLT
C1201h
Chip ID Number
DESCRIPTION
Reg 00h Read Address Register (Write Only)
BIT
TYPE
NAME
W DEFLT
[4:0]
WO
Read Address
5
-
DESCRIPTION
Specifies the address to be read in the next read cycle.
Reg 00h Reset Strobe Register (Write Only) (Continued)
BIT
TYPE
[5]
WO
NAME
Reset
W DEFLT
DESCRIPTION
1
-
Strobe (WRITE ONLY) generates soft reset. Resets all digital and
registers to default states
Reg 01h Chip Enable Register
BIT
TYPE
NAME
[0]
R/W
Chip Enable Pin Select
[1]
R/W
SPI Chip Enable
[2]
R/W
[3]
R/W
[4]
R/W
[5]
R/W
[6]
R/W
[7]
R/W
[9:8]
R/W
Keep Bias On
Keep PFD Pn
Keep CP On
Keep Reference Buffer ON
Keep VCO on
Keep GPO Driver ON
reserved
W DEFLT
DESCRIPTION
1 = Chip enable via CHIP_EN pin, Reg 01h[0]=1 and CHIP_EN pin
1
1
low places the PLL in Power Down Mode
0 = Chip enable via SPI - Reg 01h[0] = 0, CHIP_EN pin ignored
(see Power Down Mode description for more details)
Controls Chip Enable (Power Down) if Reg 01h[0] =0
Reg 01h[0]=0 and Reg 01h[1]=1 - chip is enabled, CHIP_EN pin
1
1
don’t care
Reg 01h[0]=0 and Reg 01h[1]=0 - chip disabled, CHIP_EN pin don’t
care
(see Power Down Mode description for more information)
1
0
keeps internal bias generators on, ignores Chip enable con­trol
1
0
keeps PFD circuit on, ignores Chip enable control
1
0
keeps Charge Pump on, ignores Chip enable control
1
0
keeps Reference buffer block on, ignores Chip enable con­trol
1
0
keeps VCO divider buffer on, ignores Chip enable control
1
0
keeps GPO output Driver ON, ignores Chip enable control
2
0
reserved
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
16
Application Support: Phone: 978-250-3343 or apps@hittite.com