C8051F524-C-IM 查看數據表（PDF） - Silicon Laboratories

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C8051F524-C-IM

8/4/2 kB ISP Flash MCU Family

Silicon Laboratories 

C8051F52x/F53x

Table 3.1. Pin Definitions for the C8051F52x and C8051F52xA (DFN 10) (Continued)

Name Pin Numbers Type Description

‘F52xA ‘F52x

‘F52x-C

P0.3/TX*/ —

8 D I/O or Port 0.3. See Port I/O Section for a complete description.

A In

XTAL2

P0.2

D I/O

External Clock Output. For an external crystal or resonator, this

pin is the excitation driver. This pin is the external clock input for

CMOS, capacitor, or RC oscillator configurations. See Section

“14. Oscillators” on page 135.

9

9 D I/O or Port 0.2. See Port I/O Section for a complete description.

XTAL1

P0.1/

A In External Clock Input. This pin is the external oscillator return for a

crystal or resonator. Section “14. Oscillators” on page 135.

10 10 D I/O or Port 0.1. See Port I/O Section for a complete description.

A In

C2D

Bi-directional data signal for the C2 Debug Interface

D I/O

Note: Please refer to Section “20. Device Specific Behavior” on page 210.

Rev. 1.4

37

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