Chapter 12
System Integration Module (SIM)
Chip-specific SIM information
12.1.1 COP clocks
The multiple clock inputs for the COP are:
• 1 kHz clock
• bus clock
• 8 MHz or 2 MHz internal reference clock
• external crystal
12.2 Introduction
The system integration module (SIM) provides system control and chip configuration
registers.
12.2.1 Features
• System clocking configuration
• System clock divide values
• Architectural clock gating control
• ERCLK32K clock selection
• USB clock selection
• LPUART and TPM clock selection
• Flash and System RAM size configuration
• TPM external clock and input capture selection
• LPUART receive/transmit source selection/configuration
• ADC trigger selection
• COP configuration
12.1
KL27 Sub-Family Reference Manual , Rev. 5, 01/2016
Freescale Semiconductor, Inc.
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