December 22, 2003
Document No. 38-12011 Rev. *E
5
CY8C24xxx Preliminary Data Sheet
Contents
10.2.1
10.2.2
10.2.3
OSC_CR0 Register........................................................................................70
ECO_TR Register..........................................................................................71
CPU_SCR1 Register......................................................................................71
11. Phase Locked Loop (PLL)
.......................................................................................73
11.1
Architectural Description ......................................................................................................73
11.2
Register Definitions..............................................................................................................73
11.2.1
OSC_CR0 Register........................................................................................73
11.2.2
OSC_CR2 Register........................................................................................74
12. Sleep and Watchdog
..............................................................................................75
12.1
Architectural Description ......................................................................................................75
12.1.1
32 kHz Clock Selection..................................................................................75
12.1.2
Sleep Timer....................................................................................................76
12.1.3
Sleep Bit.........................................................................................................76
12.2
Application Description.........................................................................................................76
12.3
Register Definitions..............................................................................................................77
12.3.1
INT_MSK0 Register.......................................................................................77
12.3.2
RES_WDT Register.......................................................................................77
12.3.3
OSC_CR0 Register........................................................................................77
12.3.4
CPU_SCR1 Register......................................................................................78
12.3.5
ILO_TR Register............................................................................................78
12.3.6
ECO_TR Register..........................................................................................78
12.3.7
CPU_SCR0 Register......................................................................................78
12.4
Timing Diagrams..................................................................................................................79
12.4.1
Sleep Sequence.............................................................................................79
12.4.2
Wake Up Sequence .......................................................................................80
12.4.3
Bandgap Refresh...........................................................................................81
12.4.4
Watchdog Timer (WDT) .................................................................................81
12.5
Power Consumption.............................................................................................................82
SECTION C REGISTER REFERENCE
Register Conventions .......................................................................................................................83
Register Mapping Tables .................................................................................................................83
Register Map 0 Table: User Space ..............................................................................84
Register Map 1 Table: Configuration Space ................................................................85
83
13. Register Details
......................................................................................................87
13.1
Bank 0 Registers..................................................................................................................88
13.1.1
PRTxDR ........................................................................................................88
13.1.2
PRTxIE ..........................................................................................................89
13.1.3
PRTxGS ........................................................................................................90
13.1.4
PRTxDM2 ......................................................................................................91
13.1.5
DxBxxDR0 .....................................................................................................92
13.1.6
DxBxxDR1 .....................................................................................................93
13.1.7
DxBxxDR2 .....................................................................................................94
13.1.8
DxBxxCR0 .....................................................................................................95
13.1.9
DxBxxCR0 .....................................................................................................96
13.1.10
DxBxxCR0 .....................................................................................................97
13.1.11
DxBxxCR0 .....................................................................................................98
13.1.12
DCBxxCR0 ....................................................................................................99
13.1.13
DCBxxCR0 ..................................................................................................100
13.1.14
DCBxxCR0 ..................................................................................................101
13.1.15
DCBxxCR0 ..................................................................................................102
13.1.16
AMX_IN .......................................................................................................103
13.1.17
ARF_CR ......................................................................................................104