TMS320DM6441 Datasheet, PDF (207/229 Pages) Texas Instruments – Digital Media System-on-Chip

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TMS320DM6441
Digital Media System-on-Chip
SPRS359B – SEPTEMBER 2006 – REVISED JANUARY 2007
Table 5-97. Watchdog Timer Registers
HEX ADDRESS RANGE
0x01C2 1C00
0x01C2 1C04
0x01C2 1C10
0x01C2 1C14
0x01C2 1C18
0x01C2 1C1C
0x01C2 1C20
0x01C2 1C24
0x01C2 1C28
0x01C2 1C2C - 0x01C2 1FFF
ACRONYM
-
EMUMGT_CLKSPD
TIM12
TIM34
PRD12
PRD34
TCR
TGCR
WDTCR
-
DESCRIPTION
Reserved
Watchdog timer Emulation Management/Clock Speed
Register
Watchdog timer Counter Register 12
Watchdog timer Counter Register 34
Watchdog timer Period Register 12
Watchdog timer Period Register 34
Watchdog timer Control Register
Watchdog timer Global Control Register
Watchdog timer Watchdog Timer Control Register
Reserved
5.21.2 Timer Electrical Data/Timing
Table 5-98. Timing Requirements for Timer Input⁽¹⁾⁽²⁾ (see Figure 5-69)
NO.
1
t_c(TIN)
Cycle time, TIM_IN
2
t_w(TINPH)
Pulse duration, TIM_IN high
3
t_w(TINPL)
Pulse duration, TIM_IN low
4
t_t(TIN)
Transition time, TIM_IN
(1) P = MXI/CLKIN cycle time in ns. For example, when MXI/CLKIN frequency is 27 MHz, use P = 37.037 ns.
(2) C = TIM_IN cycle time in ns. For example, when TIM_IN frequency is 27 MHz, use C = 37.037 ns
1.05 V and 1.2 V
MIN MAX
4P
0.45C 0.55C
0.45C 0.55C
0.05C
UNIT
ns
ns
ns
ns
1
2
3
4
4
TIM_IN
Figure 5-69. Timer Timing
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Peripheral and Electrical Specifications 207