C8051F330D Silicon Laboratories Inc, C8051F330D Datasheet - Page 200
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C8051F330D
Manufacturer Part Number
C8051F330D
Description
IC 8051 MCU 8K FLASH 20DIP
Manufacturer
Silicon Laboratories Inc
Series
C8051F33xr
Datasheet
1.C8051F330R.pdf
(208 pages)
Specifications of C8051F330D
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, Temp Sensor, WDT
Number Of I /o
17
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
336-1155
- Current page: 200 of 208
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C8051F330/1, C8051F330D
200
Bit7:
Bit6:
Bit5:
Bit4:
Bits3-1:
Bit0:
Note: When the WDTE bit is set to ‘1’, the PCA0MD register cannot be modified. To change the
CIDL
R/W
Bit7
CIDL: PCA Counter/Timer Idle Control.
Specifies PCA behavior when CPU is in Idle Mode.
0: PCA continues to function normally while the system controller is in Idle Mode.
1: PCA operation is suspended while the system controller is in Idle Mode.
WDTE: Watchdog Timer Enable
If this bit is set, PCA Module 2 is used as the watchdog timer.
0: Watchdog Timer disabled.
1: PCA Module 2 enabled as Watchdog Timer.
WDLCK: Watchdog Timer Lock
This bit locks/unlocks the Watchdog Timer Enable. When WDLCK is set, the Watchdog
Timer may not be disabled until the next system reset.
0: Watchdog Timer Enable unlocked.
1: Watchdog Timer Enable locked.
UNUSED. Read = 0b, Write = don't care.
CPS2-CPS0: PCA Counter/Timer Pulse Select.
These bits select the timebase source for the PCA counter
ECF: PCA Counter/Timer Overflow Interrupt Enable.
This bit sets the masking of the PCA Counter/Timer Overflow (CF) interrupt.
0: Disable the CF interrupt.
1: Enable a PCA Counter/Timer Overflow interrupt request when CF (PCA0CN.7) is set.
contents of the PCA0MD register, the Watchdog Timer must first be disabled.
†
External oscillator source divided by 8 is synchronized with the system clock.
CPS2
WDTE
0
0
0
0
1
1
1
1
R/W
Bit6
CPS1
WDLCK
0
0
1
1
0
0
1
1
R/W
Bit5
Figure 19.12. PCA0MD: PCA Mode Register
CPS0
0
1
0
1
0
1
0
1
Bit4
R
-
System clock divided by 12
System clock divided by 4
Timer 0 overflow
High-to-low transitions on ECI (max rate = system clock
divided by 4)
System clock
External clock divided by 8
Reserved
Reserved
Rev. 1.2
CPS2
R/W
Bit3
CPS1
R/W
Bit2
Timebase
†
.
CPS0
R/W
Bit1
SFR Address: 0xD9
ECF
R/W
Bit0
01000000
Addressable
Reset Value
Bit
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