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Figure 1.1 Definition of GND Symbols ....................................................................................................................... 1
Figure 2.1 Power-On/Off Sequence (without 2.5-V built-in Regulator) ...................................................................... 3
Figure 2.2 Power Supply Channel to R-IN32M4-CL3 (without 2.5-V built-in Regulator).......................................... 3
Figure 2.3 Power-On/Off Sequence (with 2.5-V built-in Regulator) ........................................................................... 4
Figure 2.4 Power Supply Channel to R-IN32M4-CL3 (with 2.5-V built-in Regulator) ............................................... 4
Figure 3.1 Example of GND Pattern for the Components for External Constants ....................................................... 8
Figure 3.2 Configuration Example of the Oscillation Circuit ...................................................................................... 9
Figure 4.1 Recommended Configuration of Filter ..................................................................................................... 10
Figure 4.2 Schematic View from Below the Board .................................................................................................... 11
Figure 6.1 Configuration of Gigabit Ethernet PHY Power Supply Peripheral Circuit ............................................... 13
Figure 6.2 Example of Recommended Impedance Characteristics with Frequency of Ferrite Beads ........................ 14
Figure 6.3 Peripheral Connection Example of Pulse Transformer ............................................................................. 15
Figure 6.4 Example of Return Loss of Pulse Transformer ......................................................................................... 16
Figure 6.5 Example of Circuit Configuration for REF_REXT and REF_FILT ......................................................... 17
Figure 6.6 Example of Wiring for Differential Signals (1) ........................................................................................ 18
Figure 6.7 Example of Wiring for Differential Signals (2) ........................................................................................ 19
Figure 6.8 Example of Wiring for Differential Signals (3) ........................................................................................ 19
Figure 6.9 Example of Wiring for Differential Signals (4) ........................................................................................ 20
Figure 7.1 Peripheral Connection Configuration with 2.5-V built-in Regulator ........................................................ 21
Figure 7.2 Peripheral Connection Configuration without 2.5-V built-in Regulator ................................................... 21
Figure 7.3 Example of PCB Layout Image (L1 and L2) (23 mm Square BGA Package) .......................................... 23
Figure 7.4 Example of PCB Layout Image (L3 and L4) (23 mm Square BGA Package) .......................................... 23
Figure 7.5 Example of PCB Layout Image (L1 and L2) (17 mm Square BGA Package) .......................................... 24
Figure 7.6 Example of PCB Layout Image (L3 and L4) (17 mm Square BGA Package) .......................................... 24
Figure 9.1 Connection Example of 32-Bit External MCU Interface (in Asynchronous-SRAM Supporting MCU
Connection Mode) .................................................................................................................................... 34
Figure 9.2 Connection Example of 16-Bit External MCU Interface (in Asynchronous-SRAM Supporting MCU
Connection Mode) .................................................................................................................................... 34
Figure 9.3 Connection Example of 32-Bit External MCU Interface (in Synchronous-SRAM Supporting MCU
Connection Mode) .................................................................................................................................... 35
Figure 9.4 Connection Example of 16-Bit External MCU Interface (in Synchronous-SRAM Supporting MCU
Connection Mode) .................................................................................................................................... 35
Figure 9.5 Connection Example of 32-Bit External MCU Interface .......................................................................... 36
Figure 9.6 Connection Example of 16-Bit External MCU Interface .......................................................................... 36
Figure 9.7 Connection Example of 32-Bit External MCU Interface .......................................................................... 38
Figure 9.8 Connection Example of 16-Bit External MCU Interface .......................................................................... 38
Figure 9.9 Connection Example with 32-Bit SRAM (Asynchronous SRAM MEMC) .............................................. 40
Figure 9.10 Connection Example with 16-Bit SRAM (Asynchronous SRAM MEMC) ............................................ 40
Figure 9.11 Connection Example with 32-Bit Paged ROM (Asynchronous SRAM MEMC) ................................... 41
Figure 9.12 Connection Example with 16-Bit Paged ROM (Asynchronous SRAM MEMC) ................................... 41
Figure 9.13 Connection Example with 32-Bit SRAM (Synchronous Burst Access MEMC) .................................... 43
List of Figures
Contents-4
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