lm8322 National Semiconductor Corporation, lm8322 Datasheet - Page 12

• Manufacturer Part Number: lm8322
• Description: Mobile I/o Companion Supporting Key-scan, I/o Expansion, Pwm, And Access.bus Host Interface
• Manufacturer: National Semiconductor Corporation

www.national.com
After sending the WRITE_CFG command, the host must send
a series of commands to configure the LM8322, as shown in
Figure 5 (see left hand side).
This Flow - diagram illustrates also the basic host communi-
cation steps which the host must execute upon an IRQ re-
FIGURE 5. Host-Side LM8322 Initialization
12
quest received from the LM8322 during operation. Such
requests will be made from the LM8322 as a result of key
pressed events, the detection of an error, the termination of
a PWM cycle and others.
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