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PSoC CY8CTMG20x and CY8CTST200 TRM, Document No. 001-53603 Rev. *C
Digital Clocks
Bit 2: EXTCLKEN.
When the EXTCLKEN bit is set, the
external clock becomes the source for the internal clock
tree, SYSCLK, which drives most device clocking functions.
All external and internal signals, including the low speed
oscillator, are synchronized to this clock source. The exter-
nal clock input operates from the clock supplied at P1[4] or
P1[1] based on the TSYNC bit in CPU_SCR1. When using
this input, the pin drive mode must be set to High Z (not High
Z Analog), such as drive mode 11b with the PRT1DR bit 4
set high.
Bit 1: IMODIS.
When set, the Internal Main Oscillator (IMO)
is disabled.
For additional information, refer to the
.
Summary of Contents for PSoC CY8CTMG20 Series
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Page 26: ...26 PSoC CY8CTMG20x and CY8CTST200 TRM Document No 001 53603 Rev C Section B PSoC Core Feedback...
Page 82: ...82 PSoC CY8CTMG20x and CY8CTST200 TRM Document No 001 53603 Rev C Sleep and Watchdog Feedback...
Page 134: ...134 PSoC CY8CTMG20x and CY8CTST200 TRM Document No 001 53603 Rev C I2C Slave Feedback...
Page 142: ...142 PSoC CY8CTMG20x and CY8CTST200 TRM Document No 001 53603 Rev C System Resets Feedback...
Page 160: ...160 PSoC CY8CTMG20x and CY8CTST200 TRM Document No 001 53603 Rev C SPI Feedback...
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