ZLF645 MAXIM [Maxim Integrated Products], ZLF645 Datasheet - Page 32

• Manufacturer Part Number: ZLF645
• Description: Flash MCUs with Learning Amplification
• Manufacturer: MAXIM [Maxim Integrated Products]

ZLF645 Series Flash MCUs
Product Specification
24
Figure 9
displays the Port 3 configuration.
ZLF645
FLASH MCU
Figure 9. Port 3 Configuration
P31 can be used as an interrupt, analog comparator input, infrared learning amplifier input,
normal digital input pin, and as a Stop Mode Recovery source. When bit 2 of the Port 3
Mode register (P3M) is set, P31 is used as the infrared learning amplifier, IR1. The refer-
ence source for IR1 is GND. The infrared learning amplifier is disabled during STOP
mode. When bit 1 of P3M is set, the part is in ANALOG mode and the analog comparator,
PS026408-1208
Port 3