Information

System Configuration
MPC8308 PowerQUICC II Pro Processor Reference Manual, Rev. 1
5-58 Freescale Semiconductor
Table 5-55 shows the memory map of the GTM.
5.6.5.1 Global Timers Configuration Registers (GTCFRn)
The global timers configuration registers (GTCFR1 and GTCFR2), shown in Figure 5-43 and Figure 5-44,
contain configuration parameters used by the timers. These registers allow simultaneous starting, stopping
Table 5-55. GTM Register Address Map
Offset Register Access
Reset
Value
Section/
Page
General Purpose (Global) Timer Module 1—Block Base Address 0x0_0500
0x000 Timer 1 and 2 global timers configuration register (GTCFR1) R/W 0x0000 5.6.5.1/5-58
0x001–0x003 Reserved — — —
0x004 Timer 3 and 4 global timers configuration register (GTCFR2) R/W 0x0000 5.6.5.1/5-58
0x005–0x00F Reserved — — —
0x010 Timer 1 global timers mode register (GTMDR1) R/W 0x0000 5.6.5.2/5-62
0x012 Timer 2 global timers mode register (GTMDR2)
0x014 Timer 1 global timers reference register (GTRFR1) R/W 0xFFFF 5.6.5.3/5-63
0x016 Timer 2 global timers reference register (GTRFR2)
0x018 Timer 1 global timers capture register (GTCPR1) R/W 0x0000 5.6.5.4/5-63
0x01A Timer 2 global timers capture register (GTCPR2)
0x01C Timer 1 global timers counter register (GTCNR1) R/W 0x0000 5.6.5.5/5-64
0x01E Timer 2 global timers counter register (GTCNR2)
0x020 Timer 3 global timers mode register (GTMDR3) R/W 0x0000 5.6.5.2/5-62
0x022 Timer 4 global timers mode register (GTMDR4)
0x024 Timer 3 global timers reference register (GTRFR3) R/W 0xFFFF 5.6.5.3/5-63
0x026 Timer 4 global timers reference register (GTRFR4)
0x028 Timer 3 global timers capture register (GTCPR3) R 0x0000 5.6.5.4/5-63
0x02A Timer 4 global timers capture register (GTCPR4)
0x02C Timer 3 global timers counter register (GTCNR3) R/W 0x0000 5.6.5.5/5-64
0x02E Timer 4 global timers counter register (GTCNR4)
0x030 Timer 1 global timers event register (GTEVR1) w1c 0x0000 5.6.5.6/5-64
0x032 Timer 2 global timers event register (GTEVR2)
0x034 Timer 3 global timers event register (GTEVR3)
0x036 Timer 4 global timers event register (GTEVR4)
0x038 Timer 1 global timers prescale register (GTPSR1) R/W 0x0003 5.6.5.7/5-65
0x03A Timer 2 global timers prescale register (GTPSR2)
0x03C Timer 3 global timers prescale register (GTPSR3)
0x03E Timer 4 global timers prescale register (GTPSR4)