参数资料
型号: TMS320C2812ZHHS
厂商: TEXAS INSTRUMENTS INC
元件分类: 数字信号处理
英文描述: 16-BIT, 150 MHz, OTHER DSP, PBGA179
封装: LEAD FREE, BGA-179
文件页数: 11/156页
文件大小: 1826K
代理商: TMS320C2812ZHHS
Electrical Specifications
108
April 2001 Revised October 2005
SPRS174M
6.16
Low-Power Mode Wakeup Timing
Table 610. IDLE Mode Timing Requirements
TEST CONDITIONS
MIN
NOM
MAX
UNIT
tw(WAKE-INT)
Pulse duration, external wake-up
Without input qualifier
2tc(SCO)
Cycles
tw(WAKE-INT)
Pulse duration, external wake-up
signal
With input qualifier
1tc(SCO) + IQT
Cycles
Input Qualification Time (IQT) = [tc(SCO) 2 QUALPRD] 5 + [tc(SCO) 2 QUALPRD].
Table 611. IDLE Mode Switching Characteristics
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Delay time, external wake signal to
program execution resume
Wake-up from Flash
Flash module in active state
Without input qualifier
8tc(SCO)
Cycles
td(WAKE-IDLE)
Wake-up from Flash
Flash module in active state
With input qualifier
8tc(SCO) + IQT
Cycles
td(WAKE-IDLE)
Wake-up from Flash
Flash module in sleep state
Without input qualifier
1050tc(SCO)
Cycles
Wake-up from Flash
Flash module in sleep state
With input qualifier
1050tc(SCO) + IQT
Cycles
Wake-up from SARAM
Without input qualifier
8tc(SCO)
Cycles
Wake-up from SARAM
With input qualifier
8tc(SCO) + IQT
Cycles
Input Qualification Time (IQT) = [tc(SCO) 2 QUALPRD] 5 + [tc(SCO) 2 QUALPRD].
This is the time taken to begin execution of the instruction that immediately follows the IDLE instruction. Execution of an ISR (triggered by the
wake-up) signal involves additional latency.
WAKE INT
XCLKOUT
A0A15
td(WAKEIDLE)
XCLKOUT = SYSCLKOUT
WAKE INT can be any enabled interrupt, WDINT, XNMI, or XRS.
tw(WAKEINT)
Figure 614. IDLE Entry and Exit Timing
Table 612. STANDBY Mode Timing Requirements
TEST CONDITIONS
MIN
NOM
MAX
UNIT
tw(WAKE-INT)
Pulse duration, external
Without input qualifier
12tc(CI)
Cycles
tw(WAKE-INT)
Pulse duration, external
wake-up signal
With input qualifier
(2 + QUALSTDBY) * tc(CI)
Cycles
QUALSTDBY is a 6-bit field in the LPMCR0 register.
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