C8051F988-GM Silicon Laboratories Inc, C8051F988-GM Datasheet - Page 3
![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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7. Comparator ............................................................................................................. 91
8. Capacitive Sense (CS0).......................................................................................... 98
9. CIP-51 Microcontroller ......................................................................................... 118
10. Memory Organization........................................................................................... 127
11. On-Chip XRAM...................................................................................................... 130
12. Special Function Registers ................................................................................. 131
13. Interrupt Handler .................................................................................................. 137
6.2. IREF0 Specifications......................................................................................... 90
7.1. Comparator Inputs ............................................................................................ 91
7.2. Comparator Outputs ......................................................................................... 92
7.3. Comparator Response Time............................................................................. 92
7.4. Comparator Hysteresis ..................................................................................... 92
7.5. Comparator Register Descriptions.................................................................... 93
7.6. Comparator0 Analog Multiplexer ...................................................................... 96
8.1. Configuring Port Pins as Capacitive Sense Inputs ........................................... 99
8.2. Initializing the Capacitive Sensing Peripheral ................................................... 99
8.3. Capacitive Sense Start-Of-Conversion Sources............................................... 99
8.4. CS0 Multiple Channel Enable ......................................................................... 100
8.5. CS0 Gain Adjustment ..................................................................................... 100
8.6. Wake from Suspend ....................................................................................... 100
8.7. Using CS0 in Applications that Utilize Sleep Mode......................................... 100
8.8. Automatic Scanning (Method 1—CS0SMEN = 0) .......................................... 101
8.9. Automatic Scanning (Method 2—CS0SMEN = 1) .......................................... 102
8.10.CS0 Comparator............................................................................................. 102
8.11.CS0 Conversion Accumulator ........................................................................ 103
8.12.CS0 Pin Monitor ............................................................................................. 104
8.13.Adjusting CS0 For Special Situations............................................................. 105
8.14.Capacitive Sense Multiplexer ......................................................................... 116
9.1. Performance ................................................................................................... 118
9.2. Programming and Debugging Support ........................................................... 119
9.3. Instruction Set ................................................................................................. 119
9.4. CIP-51 Register Descriptions.......................................................................... 124
10.1.Program Memory............................................................................................ 128
10.2.Data Memory .................................................................................................. 128
11.1.Accessing XRAM............................................................................................ 130
12.1.SFR Paging .................................................................................................... 132
13.1.Enabling Interrupt Sources ............................................................................. 137
13.2.MCU Interrupt Sources and Vectors............................................................... 137
13.3.Interrupt Priorities ........................................................................................... 138
9.3.1. Instruction and CPU Timing ................................................................... 119
10.1.1.MOVX Instruction and Program Memory ............................................... 128
10.2.1.Internal RAM .......................................................................................... 128
10.2.2.External RAM ......................................................................................... 129
11.1.1.16-Bit MOVX Example ........................................................................... 130
11.1.2.8-Bit MOVX Example ............................................................................. 130
Rev. 1.0
C8051F99x-C8051F98x
3
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