LM8322JGR8 NSC [National Semiconductor], LM8322JGR8 Datasheet - Page 12

• Manufacturer Part Number: LM8322JGR8
• Description: Mobile I/O Companion Supporting Key-Scan, I/O Expansion, PWM, and ACCESS.bus Host Interface
• Manufacturer: NSC [National Semiconductor]

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.
30013605