参数资料
型号: RCPXA270C0C520
厂商: MARVELL SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 520 MHz, MICROPROCESSOR, PBGA356
封装: 13 X 13 MM, 1 MM HEIGHT, 0.50 MM PITCH, VFBGA-356
文件页数: 99/128页
文件大小: 1560K
代理商: RCPXA270C0C520
6-8
Electrical, Mechanical, and Thermal Specification
Intel PXA270 Processor
AC Timing Specifications
Figure 6-6. Deep-Sleep-Mode Timing
VCC_USB, VCC_IO,
VCC_BB, VCC_MEM,
VCC_LCD, VCC_USIM
VCC_CORE, VCC_SRAM,
VCC_PLL
NORMAL
SYS_EN
PWR_EN
nVDD_FAULT
nRESET_OUT
Wakeup Event
DEEP SLEEP (ENTRY)
DEEP SLEEP
DEEP SLEEP (EXIT)
Intel PXA27x State:
Tdentry
Tdexit
Tdpwr_delay
Deep-Sleep Command
Tdsys_delay
Tenable
Table 6-7. Deep-Sleep Mode Timing Specifications
Symbol
Description
Min
Typical
Max3
Units
tdentry5
Delay between deep-sleep command
issue to de-assertion of SYS_EN
0.66
1.661
msec
tenable
Delay between de-assertion of PWR_EN
and SYS_EN
30
usec
tdexit
Delay between wakeup event and run
mode
0.60
261.752,4
msec
tdsysdelay
Delay between assertion of SYS_EN to
PWR_EN2
0
125
msec
tdpwrdelay
Delay between assertion of PWR_EN to
PLL enable2
0
125
msec
NOTE: Timing specifications for nBATT_FAULT and/or nVDD_FAULT asserted deep-sleep mode entry are
below:
Fault assert
Delay between nBATT_FAULT or
nVDD_FAULT assertion (during all
modes of operation including sleep
mode) and deep-sleep mode entry6(The
de-assertion of SYS_EN defines when
the processor is in deep-sleep mode)
0.33
1.56
msec
NOTES:
1. -1ms if not using DC2DC
2. 0.15ms less time if exiting from Deep-sleep mode to 13M mode
3. Add 0.1ms if the wake up event is external
4. Oscillator start/crystal stable times are programmable (300uS-11mS)
NOTE: 6ms is user programmable using the OSCC[OSD] bit. The remaining 5ms is an internal timer which
counts until the oscillator is stable. (Typical stabilization is 500
s. Maximum can be upto 5ms)
5. nRESET_OUT and nVDD_FAULT are programmable during sleep mode
6. Assumes PMCR[BIDAE or VIDAE] bits are set to zero (default state) - The PMCR[BIDAE or VIDAE] bits
are only read by the processor if nBATT_FAULT or nVDD_FAULT signals are asserted
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