r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 28

• Manufacturer Part Number: r4f2456
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

22.3 On-Board Programming Mode ........................................................................................ 1110
22.4 Notes on User Programming Mode ................................................................................. 1117
22.5 Software Commands........................................................................................................ 1118
22.6 Status Register ................................................................................................................. 1124
22.7 Full Status Check ............................................................................................................. 1126
22.8 Programmer Mode ........................................................................................................... 1128
22.9 Serial Communication Interface Specification for Boot Mode........................................ 1128
Section 23 Boundary Scan (JTAG) ................................................................. 1151
Section 24 Clock Pulse Generator................................................................... 1153
24.1 Register Descriptions ....................................................................................................... 1154
24.2 Oscillator.......................................................................................................................... 1158
24.3 System-Clock PLL Circuit and Divider........................................................................... 1161
24.4 PLL Circuit for the USB Module..................................................................................... 1162
24.5 Usage Notes ..................................................................................................................... 1163
Rev. 1.00 Sep. 19, 2008 Page xxviii of xxx
22.3.1 SCI Boot Mode ................................................................................................... 1110
22.3.2 USB Boot Mode ................................................................................................. 1111
22.3.3 User Programming Mode.................................................................................... 1114
22.3.4 EW0 Mode.......................................................................................................... 1115
22.4.1 Prohibited Interrupts (EW0 Mode) ..................................................................... 1117
22.4.2 Access Method.................................................................................................... 1117
22.4.3 Programming (EW0 Mode) ................................................................................ 1117
22.4.4 Writing Commands or Data ................................................................................ 1117
22.4.5 Software Standby Mode...................................................................................... 1117
22.5.1 Read Array.......................................................................................................... 1119
22.5.2 Read Status Register ........................................................................................... 1119
22.5.3 Clear Status Register........................................................................................... 1119
22.5.4 Program .............................................................................................................. 1119
22.5.5 Block Erase......................................................................................................... 1121
22.5.6 Block Blank Check ............................................................................................. 1123
22.6.1 Sequencer Status (FMRDY Bit) ......................................................................... 1125
22.6.2 Erase Status (FMERSF Bit) ................................................................................ 1125
22.6.3 Programming Status (FMPRSF Bit) ................................................................... 1125
24.1.1 System Clock Control Register (SCKCR) .......................................................... 1154
24.1.2 PLL Control Register (PLLCR).......................................................................... 1156
24.1.3 USB PLL Control Register (USPLLCR) ............................................................ 1157
24.2.1 Connecting a Crystal Resonator.......................................................................... 1158
24.2.2 External Clock Input........................................................................................... 1159
24.5.1 Notes on Clock Pulse Generator ......................................................................... 1163