Bits 7-0: OSCICL: Internal Oscillator Calibration Register
This register calibrates the internal oscillator period. The reset value for OSCICL defines the
internal oscillator base frequency. The reset value is factory calibrated to generate an inter-
nal oscillator frequency of 24.5 MHz.
R/WR/WR/WR/WR/WR/WR/W R/WReset Value
Variable
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
SFR Address:
SFR Page:
0x8B
F
Bit7: IOSCEN: Internal Oscillator Enable Bit.
0: Internal Oscillator Disabled
1: Internal Oscillator Enabled
Bit6: IFRDY: Internal Oscillator Frequency Ready Flag.
0: Internal Oscillator is not running at programmed frequency.
1: Internal Oscillator is running at programmed frequency.
Bits5-2: Reserved.
Bits1-0: IFCN1-0: Internal Oscillator Frequency Control Bits.
00: SYSCLK derived from Internal Oscillator divided by 8.
01: SYSCLK derived from Internal Oscillator divided by 4.
10: SYSCLK derived from Internal Oscillator divided by 2.
11: SYSCLK derived from Internal Oscillator divided by 1.
R/W R/W R/W R R/W R/W R/W R/W Reset Value
IOSCEN IFRDY - - - - IFCN1 IFCN0 11000000
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
SFR Address:
SFR Page:
0x8A
F
