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ZL50022 Datasheet(PDF) 64 Page - Zarlink Semiconductor Inc |
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ZL50022 Datasheet(HTML) 64 Page - Zarlink Semiconductor Inc |
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64 / 121 page  ZL50022 Data Sheet 64 Zarlink Semiconductor Inc. Bit Name Description 15-12 Unused Reserved In normal functional mode, these bits MUST be set to zero. 11 - 9 R3F2 - 0 Reference 3 Frequency Bits When the RFRE bit of the DPLLCR register is high, these bits are used to select the REF3 input frequency. When the RFRE bit is low, these bits are ignored. 8 - 6 R2F2 - 0 Reference 2 Frequency Bits: When the RFRE bit of the DPLLCR register is high, these bits are used to select the REF2 input frequency. When the RFRE bit is low, these bits are ignored. Table 29 - Reference Frequency Register (RFR) Bits External Read/Write Address: 0041H Reset Value: 0000H 15 14 13 12 11 10 98 7654 321 0 0000 R3F2 R3F1 R3F0 R2F2 R2F1 R2F0 R1F2 R1F1 R1F0 R0F2 R0F1 R0F0 R3F2 R3F1 R3F0 REF 3 Input Frequency 000 8 kHz 0 0 1 1.544 MHz 0 1 0 2.048 MHz 0 1 1 4.096 MHz 1 0 0 8.192 MHz 101 16.384 MHz 110 19.44 MHz 111 Reserved R2F2 R2F1 R2F0 REF 2 Input Frequency 000 8 kHz 0 0 1 1.544 MHz 0 1 0 2.048 MHz 0 1 1 4.096 MHz 1 0 0 8.192 MHz 101 16.384 MHz 110 19.44 MHz 111 Reserved |
Similar Part No. - ZL50022_06 |
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Similar Description - ZL50022_06 |
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