MEC1404 Datasheet, PDF (516/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
43.14 ICSP Interface Timing
FIGURE 43-12: ICSP POWER-UP & ASYNCHRONOUS RESET TIMING
2.8V
VTR Power
t_HLD
t_pw
ICSP_MCLR
f_clk
ICSP_CLOCK
FIGURE 43-13: ICSP SETUP & HOLD PARAMETERS
ICSP_CLOCK
ICSP_DATA
(out)
ICSP_DATA
(in)
t_OD
t_OH
t_IS t_IH
TABLE 43-15: ICSP INTERFACE TIMING PARAMETERS
Name
Description
MIN
t_HLD
ICSP_MCLR de-assertion after VTR power is
5
applied
t_pw
ICSP_MCLR assertion pulse width
500
f_clk
ICSP_CLOCK frequency (see note)
TYP
MAX
Units
ms
nsec
48
MHz
DS00001956D-page 516
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