C8051F988-GM Silicon Laboratories Inc, C8051F988-GM Datasheet - Page 73
![IC MCU 8BIT 4KB FLASH 24QFN](/photos/12/15/121587/c8051f9xx_24-qfn_sml.jpg)
C8051F988-GM
Manufacturer Part Number
C8051F988-GM
Description
IC MCU 8BIT 4KB FLASH 24QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051F9xxr
Specifications of C8051F988-GM
Program Memory Type
FLASH
Program Memory Size
4KB (4K x 8)
Package / Case
24-UQFN Exposed Pad, 24-HUQFN
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
17
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F9x
Core
8051
Data Ram Size
512 B
Interface Type
I2C, SMBus, Enhanced UART, Enhanced SPI
Maximum Clock Frequency
7 KHz
Number Of Programmable I/os
17
Number Of Timers
4
Operating Supply Voltage
2.4 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F996DK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 10 Channel
On-chip Dac
10 bit, 4 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1959-5
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SFR Definition 5.2. ADC0CF: ADC0 Configuration
SFR Page = 0x0; SFR Address = 0x97
Name
Reset
Bit
Type
7:3
2
1
0
Bit
AD0SC[4:0] ADC0 SAR Conversion Clock Divider.
AMP0GN
AD08BE
AD0TM
Name
7
1
SAR Conversion clock is derived from FCLK by the following equation, where
AD0SC refers to the 5-bit value held in bits AD0SC[4:0]. SAR Conversion clock
requirements are given in Table 4.10.
BURSTEN = 0: FCLK is the current system clock.
BURSTEN = 1: FCLK is the 20 MHz low power oscillator, independent of the system
clock.
ADC0 8-Bit Mode Enable.
0: ADC0 operates in 10-bit mode (normal operation).
1: ADC0 operates in 8-bit mode.
ADC0 Track Mode.
Selects between Normal or Delayed Tracking Modes.
0: Normal Track Mode: When ADC0 is enabled, conversion begins immediately fol-
lowing the start-of-conversion signal.
1: Delayed Track Mode: When ADC0 is enabled, conversion begins 3 SAR clock
cycles following the start-of-conversion signal. The ADC is allowed to track during
this time.
ADC0 Gain Control.
0: The on-chip PGA gain is 0.5.
1: The on-chip PGA gain is 1.
*Round the result up.
AD0SC
CLK
6
1
SAR
=
=
AD0SC[4:0]
------------------- - 1
CLK
or
FCLK
----------------------------
AD0SC
R/W
5
1
FCLK
SAR
–
+
1
*
Rev. 1.0
4
1
C8051F99x-C8051F98x
Function
3
1
AD08BE
R/W
2
0
AD0TM
R/W
1
0
AMP0GN
R/W
0
0
73
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