h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 54
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h8s-2635
Manufacturer Part Number
h8s-2635
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2635.pdf
(1547 pages)
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21C.14 Flash Memory and Power-Down States ........................................................................ 921
21C.15 Flash Memory Programming and Erasing Precautions ................................................. 922
21C.16 Note on Switching from F-ZTAT Version to Mask ROM Version .............................. 928
Section 22A Clock Pulse Generator (H8S/2636 Group, H8S/2638 Group,
22A.1
22A.2
22A.3
22A.4
22A.5
22A.6
22A.7
22A.8
22A.9
Section 22B Clock Pulse Generator (H8S/2639 Group, H8S/2635 Group)
22B.1
22B.2
22B.3
Rev. 6.00 Feb 22, 2005 page liv of lx
21C.13.2 Programmer Mode Operation ....................................................................... 909
21C.13.3 Memory Read Mode..................................................................................... 910
21C.13.4 Auto-Program Mode..................................................................................... 914
21C.13.5 Auto-Erase Mode.......................................................................................... 916
21C.13.6 Status Read Mode......................................................................................... 918
21C.13.7 Status Polling................................................................................................ 919
21C.13.8 Programmer Mode Transition Time ............................................................. 919
21C.13.9 Notes on Memory Programming .................................................................. 920
21C.14.1 Notes on Power-Down States ....................................................................... 922
Overview....................................................................................................................... 929
22A.1.1 Block Diagram.............................................................................................. 929
22A.1.2 Register Configuration ................................................................................. 930
Register Descriptions .................................................................................................... 930
22A.2.1 System Clock Control Register (SCKCR).................................................... 930
22A.2.2 Low-Power Control Register (LPWRCR).................................................... 931
Oscillator....................................................................................................................... 932
22A.3.1 Connecting a Crystal Resonator ................................................................... 932
22A.3.2 External Clock Input..................................................................................... 935
PLL Circuit.................................................................................................................... 937
Medium-Speed Clock Divider....................................................................................... 938
Bus Master Clock Selection Circuit .............................................................................. 938
Subclock Oscillator ....................................................................................................... 938
Subclock Waveform Generation Circuit ....................................................................... 939
Note on Crystal Resonator ............................................................................................ 939
Overview....................................................................................................................... 941
22B.1.1 Block Diagram.............................................................................................. 941
22B.1.2 Register Configuration ................................................................................. 942
Register Descriptions .................................................................................................... 942
22B.2.1 System Clock Control Register (SCKCR).................................................... 942
22B.2.2 Low-Power Control Register (LPWRCR).................................................... 943
Oscillator....................................................................................................................... 944
22B.3.1 Connecting a Crystal Resonator ................................................................... 944
H8S/2630 Group)
....................................................................................... 929
....... 941
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