C8051F537-ITR Silicon Labs, C8051F537-ITR Datasheet - Page 68
![no-image](/images/no-image-200.jpg)
C8051F537-ITR
Manufacturer Part Number
C8051F537-ITR
Description
8-bit Microcontrollers - MCU 2KB 12ADC 125C 20Pin MCU
Manufacturer
Silicon Labs
Datasheet
1.C8051F536-ITR.pdf
(220 pages)
Specifications of C8051F537-ITR
Product Category
8-bit Microcontrollers - MCU
Rohs
yes
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
2 KB
Data Ram Size
256 B
On-chip Adc
Yes
Package / Case
TSSOP-20
Mounting Style
SMD/SMT
A/d Bit Size
12 bit
A/d Channels Available
16
Interface Type
SPI, UART
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
16
Number Of Timers
3
On-chip Dac
No
Processor Series
C8051
Program Memory Type
Flash
Factory Pack Quantity
2500
Supply Voltage - Max
2.7 V, 5.25 V
Supply Voltage - Min
2 V, 2.7 V
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C8051F52x/F53x
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 28 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. 1.4
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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