參數(shù)資料
型號: TMS320LF2407APGEA
廠商: TEXAS INSTRUMENTS INC
元件分類: 數(shù)字信號處理
英文描述: 16-BIT, 20 MHz, OTHER DSP, PQFP144
封裝: GREEN, PLASTIC, LQFP-144
文件頁數(shù): 123/134頁
文件大?。?/td> 1724K
代理商: TMS320LF2407APGEA
TMS320LF2407A, TMS320LF2406A, TMS320LF2403A, TMS320LF2402A
TMS320LC2406A, TMS320LC2404A, TMS320LC2403A, TMS320LC2402A
DSP CONTROLLERS
SPRS145L JULY 2000 REVISED SEPTEMBER 2007
89
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
interrupt timing
INT refers to XINT1 and XINT2. PDP refers to PDPINTx.
switching characteristics over recommended operating conditions (see Figure 39)
PARAMETER
MIN
MAX
UNIT
td(PDP-PWM)HZ
Delay time, PDPINTA low to PWM
if bit 6 of SCSR2 = 0
(6 + 1)tc(CO) + 12
ns
td(PDP-PWM)HZ
Delay time, PDPINTA low to PWM
high-impedance state
if bit 6 of SCSR2 = 1
(12+ 1)tc(CO) + 12
ns
td(INT)
Delay time, INT low/high to interrupt-vector
fetch
10tc(CO) + tW (INT)
ns
Includes i/p qualifier cycles plus synchronization plus propagation delay
timing requirements (see Figure 39)
MIN
MAX
UNIT
tw(INT)
Pulse duration, INT input low/high
if bit 6 of SCSR2 = 0
6tc(CO)
ns
tw(INT)
Pulse duration, INT input low/high
if bit 6 of SCSR2 = 1
12tc(CO)
ns
tw(PDP)
Pulse duration, PDPINTx input low
if bit 6 of SCSR2 = 0
6tc(CO)
ns
tw(PDP)
Pulse duration, PDPINTx input low
if bit 6 of SCSR2 = 1
12tc(CO)
ns
This is different from 240x devices.
PWM
PDPINTx
CLKOUT
tw(PDP)
td(PDP-PWM)HZ
XINT1, XINT2
tw(INT)
Interrupt Vector
td(INT)
PWM refers to all the PWM pins in the device (i.e., PWMn and TnPWM pins). The state of the PWM pins after PDPINTx is taken
high depends on the state of the FCOMPOE bit.
A0A15
Figure 39. External Interrupts Timing
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相關代理商/技術參數(shù)
參數(shù)描述
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