Maxim-integrated Ultra-High-Speed Flash Microcontroller Manual do Utilizador descarregar pdf (Página 161)

15-3

PROGRAM EXECUTION

INTERNAL MEMORY DISABLED EA\ =0

INTERNAL MEMORY ENABLED EA\ =1

RST = 1

EA = 0

PSEN = 0

POWER-ON

RESET

AUTOBAUD ROUTINE

AWAITING <CR> CHARACTER ON RXD OF SERIAL PORT 0

SERIAL COMMUNICATION WITH THE ROM LOADER CAN

PROCEED AS ESTABLISHED ON SERIAL PORT 0

DEVICE IN RESET

(INTERNAL MEMORY DISABLED)

DEVICE IN RESET

(INTERNAL MEMORY ENABLED)

PSEN

TOGGLED 0

Figure 15-1. Invoking and Exiting the Loader on the Ultra-High-Speed Flash Microcontroller

Ultra-High-Speed Flash

Microcontroller User’s Guide

Maxim Integrated

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Maxim-integrated Ultra-High-Speed Flash Microcontroller Manual do Utilizador Página 161