CY22M1 Cypress Semiconductor, CY22M1 Datasheet - Page 4

• Manufacturer Part Number: CY22M1
• Description: Low Power Programmable Clock Generator
• Manufacturer: Cypress Semiconductor

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Crystal Oscillator Tuning Circuit
Programmable Features
The following list of features can be custom configured:
■
■
■
■
■
■
■
Document Number: 001-49075 Rev. *C
Note
1. The capacitor values are nominal.
PLL frequency and output divider value
Oscillator tuning (crystal load) capacitance value
Direct oscillator output (PLL bypass)
High or low power supply voltage operation
Power management mode (OE or PD#)
Power management timing (synchronous or asynchronous)
Programmable output drive strength
C
PXIN
C
XIN
C
0
X0
C
1
X1
C
2
X2
C
3
X3
Table 3. Crystal Oscillator Tuning Capacitor Values
Figure 2. Crystal Oscillator Tuning Block Diagram
C
4
X4
Cap
C
C
C
C
C
C
C
C
C
5
7
6
5
4
3
2
1
0
X5
C
6
PRELIMINARY
X6
C
7
X7
F
XIN,
Value
-R
5.000
2.500
1.250
0.625
0.313
0.156
0.078
0.039
ESR, C
R
F
[1]
Programming Support
The device is available in factory and field programmable
versions. The CyClockMaker Programming kit along with
CyClockDesigner configuration software is used for field
programming the device. For specific programming needs,
contact your local Cypress field application engineer (FAE) or
sales representative.
0
X7
C
7
X6
C
6
X5
C
Unit
5
pF
pF
pF
pF
pF
pF
pF
pF
X4
C
MoBL
4
X3
C
3
X2
®
C
2
X1
UniClock CY22M1
C
1
X0
C
0
C
XOUT
Page 4 of 12
C
PXOUT
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