IBM CPC700, User Manual

Page: 261 / 268

CPC700 User’s Manual—Preliminary 14-9
14.1.12 GPT Registers
The following table lists the General Purpose Time registers. See Section 9.3, “GPT Detailed Register
Description” for detailed register information.
Table 116. GPT Configuration Registers
Register Address R/W Description
GPTTBC FF65_0000 R/W GPT Time Base Counter
GPTCE FF65_0004 R/W Capture Timers Enable
GPTEC FF65_0008 R/W Capture Events Edge Detection Control
GPTSC FF65_000C R/W Capture Events Synchronization Control
Reserved 10 - 14
GPTIM FF65_0018 R/W Timers Interrupt Mask
GPTIS FF65_001C R/W Timers Interrupt Status
GPTIS FF65_0020 R Timers Interrupt Status (Clear upon Read)
GPTIE FF65_0024 R/W Timers Interrupt Enable
Reserved 28 - 3C
GPTCAPT0 FF65_0040 R Capture Timer 0
GPTCAPT1 FF65_0044 R Capture Timer 1
GPTCAPT2 FF65_0048 R Capture Timer 2
GPTCAPT3 FF65_004C R Capture Timer 3
GPTCAPT4 FF65_0050 R Capture Timer 4
Reserved 54 - 7C
GPTCOMP0 FF65_0080 R/W Compare Timer 0
GPTCOMP1 FF65_0084 R/W Compare Timer 1
GPTCOMP2 FF65_0088 R/W Compare Timer 2
GPTCOMP3 FF65_008C R/W Compare Timer 3
GPTCOMP4 FF65_0090 R/W Compare Timer 4
Reserved 94 - BC
GPTMASK0 FF65_00C0 R/W TBC Mask (Compare Timer 0)
GPTMASK1 FF65_00C4 R/W TBC Mask (Compare Timer 1)
GPTMASK2 FF65_00C8 R/W TBC Mask (Compare Timer 2)
GPTMASK3 FF65_00CC R/W TBC Mask (Compare Timer 3)
GPTMASK4 FF65_00D0 R/W TBC Mask (Compare Timer 4)
Reserved D4 - FC