INTRODUCTION
From now on, you can hook your product onto the inter-net directly. Put the PC aside, HMS91C7432 do all the jobs that the PC do for inter-net connection.

HMS91C7432 features and functions
● Implementation of the complete TCP/IP protocol suite
● Built-in Email sending and reception function.
● Standard SMTP protocol stack.
● Standard POP3 protocol stack.
● Standard PPP protocol stack to facilitate dial-up network log on.
● Standard DNS protocol stack, resolve URL with dynamic DNS server.
● Serial modem driver built-in.
● Support V.90 56Kflex modem or lower.
● 8 bit parallel interface to the user application.
● Serial DTE port for ease of modem interface.
● 5V or 3.3V operation voltage
● 20 pins SOP package