Datasheet

Table Of Contents
Rev. 0 | Page 66 of 112 | June 2013
ADSP-BF606/ADSP-BF607/ADSP-BF608/ADSP-BF609
Asynchronous Flash Write
All Accesses
Table 33. Asynchronous Flash Write
V
DD_EXT
1.8 V/3.3 V Nominal
Parameter Min Max Unit
Switching Characteristics
t
AMSADV
SMC0_Ax/SMC0_AMSx Assertion Before ADV Low
1
PREST × t
SCLK0
– 2 ns
t
DADVAWE
SMC0_AWE Low Delay From ADV High
2
PREAT × t
SCLK0
– 2 ns
t
WADV
NR_ADV Active Low Width
3
WST × t
SCLK0
– 2 ns
t
HAWE
Output
4
Hold After SMC0_AWE High
5
WHT × t
SCLK0
– 2 ns
t
WAWE
6
SMC0_AWE Active Low Width
7
WAT × t
SCLK0
– 2 ns
1
PREST value set using the SMC_BxETIM.PREST bits.
2
PREAT value set using the SMC_BxETIM.PREAT bits.
3
WST value set using the SMC_BxTIM.WST bits.
4
Output signals are DATA, SMC0_Ax, SMC0_AMSx, SMC0_ABEx.
5
WHT value set using the SMC_BxTIM.WHT bits.
6
SMC_BxCTL.ARDYEN bit = 0.
7
WAT value set using the SMC_BxTIM.WAT bits.
Figure 17. Asynchronous Flash Write
NR_CE
(SMC0_AMSx)
NR_WE
(SMC0_AWE)
NOR_A 25
-
1
(SMC0_Ax)
NR_ADV
(SMC0_AOE)
t
AMSADV
t
DADVAWE
NR_DQ 15
-
0
(SMC0_Dx)
t
WADV
t
WAWE
t
HAWE
Table 34. All Accesses
V
DD_EXT
1.8 V/3.3 V Nominal
Parameter Min Max Unit
Switching Characteristic
t
TURN
SMC0_AMSx Inactive Width (IT + TT) × t
SCLK0
– 2 ns