Datasheet

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INPUT TIMINGS
Timing Requirements for Input Timings
(1)
V
CC
80% 80%
20% 20%
0
Input
t
pw
FLASH TIMINGS
Timing Requirements for Program Flash
(1)
TMS470R1B1M
16/32-Bit RISC Flash Microcontroller
SPNS109A – SEPTEMBER 2005 – REVISED AUGUST 2006
(see Figure 12 )
MIN MAX UNIT
t
pw
Input minimum pulse width t
c(ICLK)
+ 10 ns
(1) t
c(ICLK)
= interface clock cycle time = 1/f
(ICLK)
Figure 12. CMOS-Level Inputs
MIN TYP MAX UNIT
t
prog(16-bit)
Half word (16-bit) programming time 4 16 200 µs
t
prog(Total)
1M-byte programming time
(2)
8 32 s
t
erase(sector)
Sector erase time 1.7 s
t
wec
Write/erase cycles at T
A
= –40 ° C to 85 ° C 50000 cycles
t
fp( RST)
Flash pump settling time from RST to SLEEP 167t
c(SYS)
ns
t
fp(SLEEP)
Initial flash pump settling time from SLEEP to STANDBY 167t
c(SYS)
ns
t
fp(STANDBY)
Initial flash pump settling time from STANDBY to ACTIVE 84t
c(SYS)
ns
(1) For more detailed information on the flash core sectors, see the flash program and erase section of this data sheet.
(2) The 1M-byte programming time includes overhead of state machine.
40
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