C8051F566-IQR Silicon Labs, C8051F566-IQR Datasheet - Page 267

• Manufacturer Part Number: C8051F566-IQR
• Description: 8-bit Microcontrollers - MCU 50 MIPS 16 kB 2 kB LIN 2.1 SPI
• Manufacturer: Silicon Labs

Specifications of C8051F566-IQR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

This mode allows software to determine the external oscillator frequency when an RC network or capacitor
is used to generate the clock source.
External Clock / 8
SYSCLK / 12
External Clock / 8
SYSCLK
Figure 25.6. Timer 2 External Oscillator Capture Mode Block Diagram
T2XCLK
0
1
T
M
H
3
M
T
3
L
CKCON
M
H
T
2
M
T
2
L
0
1
M
T
1
M
T
0
S
C
A
1
TF2CEN
S
C
A
0
TR2
Rev. 1.1
Capture
TCLK
TMR2RLL TMR2RLH
TMR2L
C8051F55x/56x/57x
TMR2H
T2SPLIT
TF2LEN
TF2CEN
T2XCLK
TF2H
TF2L
TR2
Interrupt
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