C8051F346-GQ Silicon Laboratories Inc, C8051F346-GQ Datasheet - Page 55
![IC 8051 MCU FLASH 64K 32LQFP](/photos/12/18/121867/c8051f346-gq_sml.jpg)
C8051F346-GQ
Manufacturer Part Number
C8051F346-GQ
Description
IC 8051 MCU FLASH 64K 32LQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F34xr
Datasheets
1.C8051F349-GQ.pdf
(276 pages)
2.C8051F346-GQ.pdf
(1 pages)
3.C8051F347-GQ.pdf
(296 pages)
Specifications of C8051F346-GQ
Program Memory Type
FLASH
Program Memory Size
64KB (64K x 8)
Package / Case
32-LQFP
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
25
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 21x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F3x
Core
8051
Data Bus Width
8 bit
Data Ram Size
5.25 KB
Interface Type
I2C/SMBus/SPI/UART/USB
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
25
Number Of Timers
4
Operating Supply Voltage
2.7 V to 5.25 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
KSK-SL-F34X, KSK-SL-TOOLSTICK, PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F340DK
Minimum Operating Temperature
- 40 C
On-chip Adc
17-ch x 10-bit
No. Of I/o's
25
Ram Memory Size
4352Byte
Cpu Speed
25MHz
No. Of Timers
4
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1748 - ADAPTER TOOLSTICK FOR C8051F34X770-1006 - ISP 4PORT FOR SILABS C8051F MCU
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1304
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5.4.2. Window Detector In Differential Mode
Figure 5.8 shows two example window comparisons for right-justified, differential data, with
ADC0LTH:ADC0LTL = 0x0040 (+64d) and ADC0GTH:ADC0GTH = 0xFFFF (-1d). In differential mode, the
measurable voltage between the input pins is between -VREF and VREF*(511/512). Output codes are rep-
resented as 10-bit 2’s complement signed integers. In the left example, an AD0WINT interrupt will be gen-
erated if the ADC0 conversion word (ADC0H:ADC0L) is within the range defined by ADC0GTH:ADC0GTL
and ADC0LTH:ADC0LTL (if 0xFFFF (-1d) < ADC0H:ADC0L < 0x0040 (64d)). In the right example, an
AD0WINT interrupt will be generated if the ADC0 conversion word is outside of the range defined by the
ADC0GT and ADC0LT registers (if ADC0H:ADC0L < 0xFFFF (-1d) or ADC0H:ADC0L > 0x0040 (+64d)).
Figure 5.9 shows an example using left-justified data with equivalent ADC0GT and ADC0LT register set-
tings.
VREF x (511/512)
VREF x (64/512)
VREF x (511/512)
VREF x (-1/512)
VREF x (64/512)
VREF x (-1/512)
Figure 5.8. ADC Window Compare Example: Right-Justified Differential Data
Input Voltage
(Px.x - Px.x)
Input Voltage
Figure 5.9. ADC Window Compare Example: Left-Justified Differential Data
(Px.x - Px.x)
-VREF
-VREF
ADC0H:ADC0L
ADC0H:ADC0L
0x7FC0
0x0FC0
0xFFC0
0x1040
0x1000
0x0000
0xFF80
0x8000
0xFFFF
0xFFFE
0x01FF
0x0041
0x0040
0x003F
0x0000
0x0200
C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
ADC0GTH:ADC0GTL
ADC0LTH:ADC0LTL
ADC0GTH:ADC0GTL
ADC0LTH:ADC0LTL
not affected
not affected
not affected
not affected
AD0WINT
AD0WINT
AD0WINT
AD0WINT
AD0WINT=1
AD0WINT=1
Rev. 1.3
VREF x (511/512)
VREF x (511/512)
VREF x (64/512)
VREF x (-1/512)
VREF x (64/512)
VREF x (-1/512)
Input Voltage
(Px.x - Px.y)
Input Voltage
(Px.x - Px.x)
-VREF
-VREF
ADC0H:ADC0L
ADC0H:ADC0L
0x7FC0
0x0FC0
0xFFC0
0xFF80
0x1040
0x1000
0x0000
0x8000
0x01FF
0xFFFF
0xFFFE
0x0041
0x0040
0x003F
0x0000
0x0200
ADC0GTH:ADC0GTL
ADC0LTH:ADC0LTL
ADC0GTH:ADC0GTL
ADC0LTH:ADC0LTL
not affected
not affected
AD0WINT
AD0WINT
AD0WINT=1
AD0WINT=1
AD0WINT=1
AD0WINT=1
55
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