C8051F521A-IM Silicon Laboratories Inc, C8051F521A-IM Datasheet - Page 68
C8051F521A-IM
Manufacturer Part Number
C8051F521A-IM
Description
IC 8051 MCU 8K FLASH 10DFN
Manufacturer
Silicon Laboratories Inc
Series
C8051F52xr
Specifications of C8051F521A-IM
Program Memory Type
FLASH
Program Memory Size
8KB (8K x 8)
Package / Case
10-DFN
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
6
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.25 V
Data Converters
A/D 6x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Processor Series
C8051F5x
Core
8051
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
SPI/UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
6
Number Of Timers
3
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F500DK
Minimum Operating Temperature
- 40 C
On-chip Adc
6-ch x 12-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1488 - KIT DEV C8051F53XA, C8051F52XA770-1006 - ISP 4PORT FOR SILABS C8051F MCU336-1455 - ADAPTER PROGRAM TOOLSTICK F520
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1490-5
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C8051F52x/F52xA/F53x/F53xA
SFR Definition 4.9. ADC0TK: ADC0 Tracking Mode Select
68
Bits7–4: AD0PWR3–0: ADC0 Burst Power-Up Time.
Bits3–2: AD0TM1–0: ADC0 Tracking Mode Select Bits.
Bits1–0: AD0TK1–0: ADC0 Post-Track Time.
R/W
Bit7
For BURSTEN = 0:
ADC0 power state controlled by AD0EN.
For BURSTEN = 1 and AD0EN = 1;
ADC0 remains enabled and does not enter the very low power state.
For BURSTEN = 1 and AD0EN = 0:
ADC0 enters the very low power state as specified in Table 2.3 on page 29 and is enabled
after each convert start signal. The Power Up time is programmed according to the following
equation:
00: Reserved.
01: ADC0 is configured to Post-Tracking Mode.
10: ADC0 is configured to Pre-Tracking Mode.
11: ADC0 is configured to Dual-Tracking Mode (default).
Post-Tracking time is controlled by AD0TK as follows:
00: Post-Tracking time is equal to 2 SAR clock cycles + 2 FCLK cycles.
01: Post-Tracking time is equal to 4 SAR clock cycles + 2 FCLK cycles.
10: Post-Tracking time is equal to 8 SAR clock cycles + 2 FCLK cycles.
11: Post-Tracking time is equal to 16 SAR clock cycles + 2 FCLK cycles.
AD0PWR
R/W
Bit6
AD0PWR
=
Tstartup
---------------------- 1
R/W
Bit5
200ns
–
R/W
Bit4
or
Tstartup
Rev. 1.3
R/W
Bit3
AD0TM
=
R/W
Bit2
AD0PWR
R/W
Bit1
+
AD0TK
1
(bit addressable)
200ns
R/W
Bit0
SFR Address:
Reset Value
11111111
0xBA
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