參數(shù)資料
型號(hào): TMP320LC2407APGS
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號(hào)處理
英文描述: DSP CONTROLLERS
中文描述: DSP控制器
文件頁數(shù): 85/134頁
文件大?。?/td> 1759K
代理商: TMP320LC2407APGS
TMS320LF2407A, TMS320LF2406A, TMS320LF2403A, TMS320LF2402A
TMS320LC2406A, TMS320LC2404A, TMS320LC2403A, TMS320LC2402A
DSP CONTROLLERS
SPRS145K
JULY 2000
REVISED AUGUST 2005
85
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
1443
LPM2 wakeup timing
switching characteristics over recommended operating conditions (see Figure 33)
PARAMETER
MIN
MAX
UNIT
t
d(PDP-PWM)HZ
Delay time, PDPINTA low to PWM
high-impedance state
if bit 6 of SCSR2 = 0
(6 + 1)t
c(CO)
+ 12
(12+ 1)t
c(CO)
+ 12
ns
if bit 6 of SCSR2 = 1
ns
t
d(INT)
Delay time, INT low/high to interrupt-vector
fetch
10t
c(CO)
+ t
w
(PDP
WAKE)
ns
Includes i/p qualifier cycles plus synchronization plus propagation delay
timing requirements (see Figure 33)
MIN
MAX
UNIT
t
w(PDP
WAKE)
Pulse duration PDPINTA input low
Pulse duration, PDPINTA input low
if bit 6 of SCSR2 = 0
6t
c(CO)
12t
c(CO)
ns
if bit 6 of SCSR2 = 1
t
p
PLL lock-up time
4096t
c(CI)
cycles
This is different from 240x devices.
PWM
PDPINTx
CLKOUT
t
w(PDP
WAKE)
t
d(PDP-PWM)HZ
CPU Status
Interrupt Vector
§
or
Next Instruction
t
d(INT)
XTAL1
Oscillator Disabled
CLKIN
t
p
t
OSC
CPU IDLE State (LPM2)
t
OSC
is the oscillator start-up time.
CLKOUT frequency after LPM2 wakeup will be the same as that upon entering LPM2 (x4 shown as an example).
§
PDPINTx interrupt vector, if PDPINTx interrupt is enabled.
If PDPINTx interrupt is disabled.
Figure 33. LPM2 Wakeup Using PDPINTx
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