CY82C693UB Cypress Semiconductor Corporation., CY82C693UB Datasheet - Page 39

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CY82C693UB

Manufacturer Part Number
CY82C693UB
Description
Hypercache Tm / Stand-alone Pci Peripheral Controller With Usb
Manufacturer
Cypress Semiconductor Corporation.
Datasheet

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Register 4: Interrupt Request Level/Edge Control Register #2 (Read/Write)
Register 5: Real-Time-Clock Configuration Register (Read/Write)
Bit
7
6
5
4
3
2
1
0
Bit
7:3
2:0
Function
IRQ15 Edge-Triggered/Level-Sensitive Selector:
0:
1:
IRQ14 Edge-Triggered/Level-Sensitive Selector:
0:
1:
Reserved, Must be 0
IRQ12 Edge-Triggered/Level-Sensitive Selector:
0:
1:
IRQ11 Edge-Triggered/Level-Sensitive Selector:
0:
1:
IRQ10 Edge-Triggered/Level-Sensitive Selector:
0:
1:
IRQ9 Edge-Triggered/Level-Sensitive Selector:
0:
1:
Reserved, Must be 0
Function
Reserved
Value programmed into this register is used to fine-tune the 32-kHz Oscillator for greater RTC
accuracy. The frequency variation is not linear and changes as the following:
000:
011:
111:
Each on bit adds 0.5 pF of capacitance onto the crystal pins internally.
+16 ppm
0 ppm
Edge-Triggered
Level-Sensitive
Edge-Triggered
Level-Sensitive
Edge-Triggered
Level-Sensitive
Edge-Triggered
Level-Sensitive
Edge-Triggered
Level-Sensitive
Edge-Triggered
Level-Sensitive
14 ppm
PRELIMINARY
39
Index=05H
Index=04H
CY82C693UB
Default
0
0
0
0
0
0
0
0
Default
00000
000

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