DSM2180F3_08 Datasheet, PDF (55/63 Pages) STMicroelectronics – DSM (Digital Signal Processor System Memory) for analog devices ADSP-218X family (5 V supply)

DSM2180F3
Table 33. Flash Memory Program, Write and Erase Times
Symbol
Parameter
Min.
Typ.
Flash Bulk Erase¹ (pre-programmed)
3
Flash Bulk Erase (not pre-programmed)
5
t_WHQV3
Sector Erase (pre-programmed)
1
t_WHQV2
Sector Erase (not pre-programmed)
2.2
t_WHQV1
Byte Program
14
Program / Erase Cycles (per Sector)
100,000
t_WHWLO
Sector Erase Time-Out
100
t_Q7VQV
DQ7 Valid to Output (DQ7-DQ0) Valid (Data Polling)²
Note: 1. Programmed to all zero before erase.
2. The polling status, DQ7, is valid tQ7VQV time units before the data byte, DQ0-DQ7, is valid for reading.
Max.
30
30
1200
30
Unit
s
s
s
s
µs
cycles
µs
ns
Table 34. Reset (Reset) Timing
Symbol
Parameter
Conditions
Min
t(s) ^tNLNH
RESET Active Low Time ¹
150
c _{tNLNH–PO}
Power On Reset Active Low Time
1
du _tOPR
RESET High to Operational Device
ro _{Note: 1. Reset (RESET) does not reset Flash memory Program or Erase cycles.}
P _{2. Warm reset aborts Flash memory Program or Erase cycles, and puts the device in Read mode.}
lete ^{Figure 36. Reset (RESET) Timing}
Max
Unit
ns
ms
120
ns
bso _VCC
Obsolete ^{Product(s) - O RESET}
V_CC(min)
tNLNH-PO
Power-On Reset
tOPR
tNLNH
tNLNH-A
Warm Reset
tOPR
AI02866b
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