AN2690 Freescale Semiconductor / Motorola, AN2690 Datasheet - Page 16

• Manufacturer Part Number: AN2690
• Description: Low Frequency EEPROM Emulation on the MC68HLC908QY4
• Manufacturer: Freescale Semiconductor / Motorola

AN2690
CommonInit Flow
Diagram
16
Low Frequency EEPROM Emulation on the MC68HLC908QY4
This routine initializes common registers that must be configured irrespective
of the reset source. It also initializes the EEPROM driver for operation from a
1 MHz bus.
Freescale Semiconductor, Inc.
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Figure 8. Common Initialization
for operation with 4.0MHz IRC
EEPROM programming speed
DEBOUNCE_TIME to 30ms
LED_TIMEOUT to 500ms
PortA and PortB
Config1 (#$39)
Config2 (#$99)
CommonInit
Initialize
Initialize
Initialize
Initialize
RTS
MOTOROLA