RH850/F1Kx, RH850/F1K Series Hardware Design Guide
R01AN3841ED0110 Rev. 1.10 Page 3 of 108
August 8, 2019
4.2.1 Minimum RESET Circuit ..................................................................................................... 71
4.2.2 RESET Input Characteristics ............................................................................................. 72
4.3 General Purpose I/O .................................................................................................................. 73
4.3.1 RESET State of General Purpose I/P ................................................................................ 73
4.3.2 JP0_4/ DCUTRST .............................................................................................................. 73
4.3.3 P8_6/ RESETOUT .............................................................................................................. 73
4.3.4 Analog Filter Function ........................................................................................................ 74
4.3.5 Port and Pin Behavior during Low Power Mode .............................................................. 75
4.4 Recommended Connection of Unused Pins .......................................................................... 76
4.4.1 Recommended Connection of Unused Pins for RH850/F1KM-S1 ................................. 76
4.4.2 Recommended Connection of Unused Pins for RH850/F1KM-XX ................................. 78
4.4.3 Recommended Connection of Unused Pins for RH850/F1KM-S4 ................................. 79
4.4.4 Recommended Connection of Unused Pins for RH850/F1KH-D8 .................................. 81
4.4.5 Recommended Connection of Unused Pins for RH850/F1K .......................................... 83
4.5 Injected Current ......................................................................................................................... 85
5. SENT Interface (RH850/F1Kx Series only) ................................................................... 86
6. AD-Converter .................................................................................................................. 87
6.1 Conversion time ........................................................................................................................ 87
6.2 External Multiplexer Wait Time ................................................................................................ 88
6.3 Equivalent Input Circuit ............................................................................................................ 88
6.4 External Circuit on ADC Input ................................................................................................. 89
6.5 Formulas for sampling error .................................................................................................... 90
7. Device Operation Modes ............................................................................................... 92
8. Development Tool Interface .......................................................................................... 93
8.1 Debug Interface Connection .................................................................................................... 93
8.2 Flash Programming Interface .................................................................................................. 98
8.2.1 Flash Programming by PG-FPx ......................................................................................... 98
8.2.2 Flash Programming by E1/E2 Emulator and RFP ............................................................ 99
8.3 Combined Debug and Flash Programming Interface Connection ..................................... 101
8.4 Debug Considerations when Hot Plug-in is used ................................................................ 103
9. Test Tool Interface ....................................................................................................... 104
10. Differences to RH850/F1L/M/H, RH850/F1Kx and RH850/F1K .................................. 105
11. Reference Documents ................................................................................................. 106
12. Abbreviations ............................................................................................................... 107
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