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TD7626F Scheda tecnica(PDF) 3 Page - Toshiba Semiconductor |
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TD7626F Scheda tecnica(HTML) 3 Page - Toshiba Semiconductor |
3 / 14 page TD7626F,TD7626FN 2001-03-01 3/14 TERMINAL FUNCTIONS PIN No. PIN NAME FUNCTION INTERFACE CIRCUIT 1 NF 16 Charge pump output Compares the phase of the input RF signal against the frequency data and feeds back its difference output from the current pump. 2 X’tal OSCin 3 X’tal OSCout Crystal oscillator pins to generate the reference signal for the phase comparator. Consist of the inverter amp. 4 SDA Normally used as input / output pins for the I 2 C bus serial data. In TEST mode, used as the input pin for the signal to be compared by the phase comparator. 5 SCL Normally used as the I 2 C bus serial clock input. In TEST mode, used to input the reference signal of the phase comparator. 6 P7 8 P5 9 P4 Output can be controlled by setting the band switch data. The circuit configuration is open collector output. Each pin has a built-in comparator. The status of the comparator can be checked in READ mode. In TEST mode, P7 is a counter output which allows counter operation to be checked. |
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