C8051F989-GU Silicon Laboratories Inc, C8051F989-GU Datasheet - Page 153
C8051F989-GU
Manufacturer Part Number
C8051F989-GU
Description
IC MCU 8BIT 4KB FLASH 24QSOP
Manufacturer
Silicon Laboratories Inc
Series
C8051F9xxr
Specifications of C8051F989-GU
Program Memory Type
FLASH
Program Memory Size
4KB (4K x 8)
Package / Case
24-QSOP
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
17
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
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
1 Analog Comparator
On-chip Dac
10 bit, 4 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1958-5
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F989-GU
Manufacturer:
Silicon
Quantity:
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14.4. Determining the Device Part Number at Run Time
In many applications, user software may need to determine the MCU part number at run time in order to
determine the hardware capabilities. The part number can be determined by reading the value of the
DEVICEID Special Function Register.
The value of the DEVICEID register can be decoded as follows:
0xD0—C8051F990
0xD1—C8051F991
0xD6—C8051F996
0xD2—C8051F997
0xD3—C8051F980
0xD4—C8051F981
0xD5—C8051F982
0xD7—C8051F983
0xD8—C8051F985
0xD9—C8051F986
0xDA—C8051F987
0xDB—C8051F988
0xDC—C8051F989
SFR Definition 14.1. DEVICEID: Device Identification
SFR Page = 0xF; SFR Address = 0xE3
Name
Reset
Bit
7:0
Type
Bit
DEVICEID[7:0]
Name
7
0
6
0
Device Identification.
These bits contain a value that can be decoded to determine the device part
number.
5
0
Rev. 1.0
DEVICEID[7:0]
4
0
R/W
C8051F99x-C8051F98x
Function
3
0
2
0
1
0
0
0
153
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