C8051F120DK Silicon Laboratories Inc, C8051F120DK Datasheet - Page 181

• Manufacturer Part Number: C8051F120DK
• Description: DEVKIT-F120/21/22/23/24/25/26/27
• Manufacturer: Silicon Laboratories Inc
• Type: MCUr

Specifications of C8051F120DK

• Contents: Evaluation Board, Power Supply, USB Cables, Adapter and Documentation
• Processor To Be Evaluated: C8051F12x and C8051F13x
• Interface Type: USB
• Silicon Manufacturer: Silicon Labs
• Core Architecture: 8051
• Silicon Core Number: C8051F120
• Silicon Family Name: C8051F12x
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: C8051F120, 121, 122, 123, 124, 125, 126, 127
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1224

Bits7 – 0: WDT Control
Bit4:
Bits2 – 0: Watchdog Timeout Interval Bits
R/W
Bit7
Writing 0xA5 both enables and reloads the WDT.
Writing 0xDE followed within 4 system clocks by 0xAD disables the WDT.
Writing 0xFF locks out the disable feature.
Watchdog Status Bit (when Read)
Reading the WDTCN.[4] bit indicates the Watchdog Timer Status.
0: WDT is inactive
1: WDT is active
The WDTCN.[2:0] bits set the Watchdog Timeout Interval. When writing these bits,
WDTCN.7 must be set to 0.
R/W
SFR Definition 13.1. WDTCN: Watchdog Timer Control
Bit6
R/W
Bit5
R/W
Bit4
Rev. 1.4
R/W
Bit3
C8051F120/1/2/3/4/5/6/7
R/W
Bit2
C8051F130/1/2/3
R/W
Bit1
SFR Address:
SFR Page:
R/W
Bit0
0xFF
All Pages
Reset Value
xxxxx111
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