参数资料
型号: MB88R157A
厂商: FUJITSU LTD
元件分类: 时钟产生/分配
英文描述: OTHER CLOCK GENERATOR, PDSO8
封装: 4.40 X 3.10 MM, 1.20 MM HEIGHT, 0.65 MM PITCH, PLASTIC, TSSOP-8
文件页数: 3/28页
文件大小: 1186K
代理商: MB88R157A
MB88R157A
DS04-29146-1E
11
Oscillation stabilization capacitance setting
The capacitance connected to the XIN and the XOUT pins can change from 5 pF to 10 pF by setting bit2 to bit8
and bit9 to bit15 in the memory map (set “1” to bit66 or bit122 ).
Also, it is possible to cancel the connection whose capacitance is 5 pF for the XIN pin and the XOUT pin by
setting bit66 or bit122.
When using the external clock to the clock input, connections for all capacitance need to be cancelled.
XIN
bit67,
bit123
bit8
bit7
bit6
bit5
bit4
bit3
bit2
XOUT
bit15
bit14
bit13
bit12
bit11
bit10
bit9
Capacitance
[pF]
5.000
2.520
1.260
0.630
0.315
0.157
0.079
0.039
Capacitance
[pF]
00000000
0.000
10000000
5.000
10000001
5.039
10000010
5.079
10000011
5.118
10000100
5.157
10000111
5.275
10001000
5.315
10001111
5.590
10010000
5.630
10011111
6.220
10100000
6.260
10111111
7.480
11000000
7.520
11111111
10.000
XOUT
XIN
5 pF
bit3
bit4
bit5
bit6
bit7
bit8
bit9
bit66
(bit122)
bit66
(bit122)
bit16
bit15
bit14
bit13
bit12
bit11
bit10
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