TMS470R1A64 Datasheet, PDF (30/46 Pages) Texas Instruments – 16/32-Bit RISC Flash Microcontroller

TMS470R1A64
16/32-Bit RISC Flash Microcontroller
SPNS099 – NOVEMBER 2004
INPUT TIMINGS
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TIMING REQUIREMENTS FOR INPUT TIMINGS⁽¹⁾
(See Figure 11)
t_pw
Input minimum pulse width
(1) t_c(ICLK) = interface clock cycle time = 1 / f_(ICLK)
Input
80%
t_pw
80%
MIN
t_c(ICLK) + 10
MAX UNIT
ns
V_CC
20%
20%
0
Figure 11. CMOS-Level Inputs
FLASH TIMINGS
TIMING REQUIREMENTS FOR PROGRAM FLASH⁽¹⁾
t_prog(16-bit)
t_prog(Total)
t_{erase(sector)}
t_wec
Half word (16-bit) programming time
64K-byte programming time⁽²⁾
Sector erase time
Write/erase cycles at T_A = 125°C
MIN TYP MAX UNIT
4
16 200 µs
1
4s
2
15 s
100 cycles
(1) For more detailed information on the Flash core sectors, see the Flash program and erase section of this data sheet.
(2) The 64K-byte programming times include overhead of state machine.
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