TB31356AFL TOSHIBA Semiconductor CORPORATION, TB31356AFL Datasheet - Page 5
TB31356AFL
Manufacturer Part Number
TB31356AFL
Description
1.8ghz,600mhz Dual-pll Frequency Synthesizer
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TB31356AFL.pdf
(10 pages)
(5) PLL1 divider data
LSB
(7) PLL1 reference divider data
This specification is design target. It is subject to change without notice
l
l
(6) PLL2 divider data
l
l
l
l
A0 A1 A2 A3 A4
Number of divisions = 16N+A (240 =< Number of divisions =< 32767)
A=A0+A1*2
N=D0+D1*2
Number of divisions = 64N+A (4032 =< Number of divisions =< 262143)
A=A0+A1*2
N=D0+D1*2
Swallow counter : A
LSB
LSB
Swallow counter : A
A0 A1 A2 A3 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 LA SB1 SB2 SBX 0 1
a 1/64, 1/65 two modulus prescaler.
be set from 4032 to 262143.
a 1/16, 1/17 two modulus prescaler.
be set from 240 to 32767.
Consist of a 6-bit swallow counter (programmable counter), a 12-bit programmable counter, and
By sending any data to the swallow counter and programmable counter, number of division can
Consist of a 4-bit swallow counter (programmable counter), a 11-bit programmable counter, and
By sending any data to the swallow counter and programmable counter, number of division can
Consist of a 12-bit reference counter (programmable counter).
By sending any data to the reference counter, number of division can be set from 4 to 4095
D=D0+D1*2
4 =< Number of divisions =< 4095
D0
D1
1
1
.......+A3*2
1
+.......+D10*2
1
.......+A5*2
+.......+D11*2
D2
1
+.........D11*2
TENTATIVE
D3
A5 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 SB1 SB2 SBX 0 0 0
3
Reference counter
5
10
D4
11
11
A : Value of A counter
A : Value of A counter
N : Value of N counter
D5
N : Value of N counter
Programmable counter : N
Programmable counter : N
D6
D7
D8
D9 D10 D11 SB1 SB2 SBX
Battery saving
.
Battery saving
Nov. 27 2002 PAGE 5
Battery saving
Group code
0
TB31356AFL
Group code
0
Group code
1
0