SH7713 datasheet(370/904 Pages) RENESAS

tên linh kiện	SH7713

Giải thích chi tiết về linh kiện	Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

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Section 11 On-Chip Oscillation Circuits

Rev.1.50 Aug. 30, 2006 Page 330 of 860

REJ09B0288-0150

Pin assignments of P-LFBGA1717-256 (BP-256H/HV)

Vss/VssQ and Vcc/VccQ pair of digital circuitry

D2-B1, E1-F4, G2-G3, J2-J4, L3-L2, N3-N2, R4-P2, U2-W1, V4-Y4, Y6-U7, W8-V8, V10-

W10, V11-W11, V13-W13, U15-W14, W17-Y19, U18-U20, P17-N19, N18-P20, L17-L20,

J18-J19, E20-F17, D19-B20, C19-A20, D15-B14, C14-A15, B11-D11, C10-B10, C8-B8, D6-

Vss/VssQ and Vcc/VccQ pair of the on-chip oscillator

B19-A19, C3-B5, and C5-C4

When Using a PLL Oscillator Circuit: Keep the wiring from the PLL Vcc and PLL Vss

connection pattern to the power supply pins short, and make the pattern width large, to minimize

the inductance component.

Connect the EXTAL pin to VccQ or VssQ and make the XTAL pin open in clock mode 7.

The analog power supply system of the PLL is sensitive to a noise. Therefore the system

malfunction may occur by the intervention with other power supply. Do not supply the analog

power supply with the same resource as the digital power supply of Vcc and VccQ.

Vcc(PLL2)

Vss(PLL2)

Vcc(PLL1)

Vss(PLL1)

Avoid crossing

signal lines

Power

supply

Vcc

Vss

Figure 11.5 Points for Attention when Using PLL Oscillator Circuit

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