參數(shù)資料
型號(hào): 73M1903C-IMR/F
廠商: Maxim Integrated Products
文件頁數(shù): 8/48頁
文件大?。?/td> 0K
描述: IC MODEM AFE MULTIREGIONAL 32QFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
通道數(shù): 2
電壓 - 電源,模擬: 3 V ~ 3.6 V
電壓 - 電源,數(shù)字: 3 V ~ 3.6 V
封裝/外殼: 32-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 32-QFN(5x5)
包裝: 帶卷 (TR)
73M1903C Data Sheet
DS_1903C_033
16
Rev. 5.0
5
PLL Configuration Registers
Register08 (PLL_PSEQ): Address 08h
Reset State 00h
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Pseq(7:0)
(0X08[7:0])
This corresponds to the sequence of divisor. If Prst(2:0) setting in
Register09 is 00, this register is ignored.
Register09 (PLL_RST): Address 09h
Reset State 0Ah
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Prst(2:0)
Pdvsr(4:0)
Prst(2:0) represents the rate at which the sequence register is reset.
Pdvsr(4:0) represents the divisor.
Register0A (PLL_KVCO): Address 0Ah
Reset State 22h
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Ichp(3:0)
Reserved
Kvco(2:0)
Ichp(3:0)
(0X0A[:47]) represents the size of the charge pump current in the PLL. This charge pump
current can be calculated with
Ichp = 2.0μA* (2 + Ichp0 + Ichp1 * 21 + Ichp2 * 22+Ichp3 * 2^3 )*
(T/To), where To=300 C
° and T=Temperature in K°.
Bit 3 is a reserved control bit. This bit shall remain 0 always.
Kvco(2:0)
(0X0A[2:0]) Represents the magnitude of Kvco associated with the VCO within PLL.
Table 3: Fvco and Kvco Settings at 25°C
Kvco2
Kvco1
Kvco0
Fvco
Kvco
0
33 MHz
38 MHz/v
0
1
36 MHz
38 MHz/v
0
1
0
44 MHz
40 MHz/v
0
1
48 MHz
40 MHz/v
1
0
57 MHz
63 MHz/v
1
0
1
61 MHz
63 MHz/v
1
0
69 MHz
69 MHz/v
1
73 MHz
69 MHz/v
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