C8051F502-IM Silicon Laboratories Inc, C8051F502-IM Datasheet - Page 144
![IC 8051 MCU 64K FLASH 32-QFN](/photos/12/17/121713/c8051f502-im_sml.jpg)
C8051F502-IM
Manufacturer Part Number
C8051F502-IM
Description
IC 8051 MCU 64K FLASH 32-QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051F50xr
Specifications of C8051F502-IM
Program Memory Type
FLASH
Program Memory Size
64KB (64K x 8)
Package / Case
32-QFN
Mfg Application Notes
LIN Bootloader AppNote
Core Processor
8051
Core Size
8-Bit
Speed
50MHz
Connectivity
SMBus (2-Wire/I²C), CAN, LIN, SPI, UART/USART
Peripherals
POR, PWM, Temp Sensor, WDT
Number Of I /o
25
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.25 V
Data Converters
A/D 25x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Processor Series
C8051F5x
Core
8051
Data Bus Width
8 bit
Data Ram Size
4.25 KB
Interface Type
I2C/SPI/UART
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
25
Number Of Timers
4
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F500DK
Minimum Operating Temperature
- 40 C
On-chip Adc
32-ch x 12-bit
Package
32QFN EP
Device Core
8051
Family Name
C8051F50x
Maximum Speed
50 MHz
Operating Supply Voltage
2.5|3.3|5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1559 - KIT REF DESIGN CAN DIAGNOSTIC336-1532 - ADAPTER PROG TOOLSTICK F502336-1531 - PLATFORM PROG TOOLSTCK F502336-1528 - DAUGHTER CARD TOOLSTICK F500336-1527 - KIT DEV FOR C8051F50X
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1515-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F502-IM
Manufacturer:
SiliconL
Quantity:
146
Company:
Part Number:
C8051F502-IM
Manufacturer:
SILICON
Quantity:
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C8051F50x/F51x
SFR Definition 17.1. VDM0CN: V
SFR Address = 0xFF; SFR Page = 0x00
17.3. External Reset
The external RST pin provides a means for external circuitry to force the device into a reset state. Assert-
ing an active-low signal on the RST pin generates a reset; an external pullup and/or decoupling of the RST
pin may be necessary to avoid erroneous noise-induced resets. See Table 5.4 for complete RST pin spec-
ifications. The PINRSF flag (RSTSRC.0) is set on exit from an external reset.
17.4. Missing Clock Detector Reset
The Missing Clock Detector (MCD) is a one-shot circuit that is triggered by the system clock. If the system
clock remains high or low for more than the value specified in Table 5.4, “Reset Electrical Characteristics,”
on page 46, the one-shot will time out and generate a reset. After a MCD reset, the MCDRSF flag (RST-
SRC.2) will read 1, signifying the MCD as the reset source; otherwise, this bit reads 0. Writing a 1 to the
MCDRSF bit enables the Missing Clock Detector; writing a 0 disables it. The state of the RST pin is unaf-
fected by this reset.
144
Name
Reset
4:0
Bit
Type
7
6
5
Bit
VDDSTAT
VDMLVL
VDMEN
Unused
VDMEN
Name
Varies
R/W
7
VDDSTAT
V
This bit turns the V
tem resets until it is also selected as a reset source in register RSTSRC (SFR Def-
inition 17.2). Selecting the V
may generate a system reset. In systems where this reset would be undesirable, a
delay should be introduced between enabling the V
reset source. See Table 5.4 for the minimum V
0: V
1: V
V
This bit indicates the current power supply status (V
0: V
1: V
V
0: V
1: V
tem includes code that writes to and/or erases Flash.
Read = 00000b; Write = Don’t care.
Varies
DD
DD
DD
R
6
DD
DD
DD
DD
DD
DD
Monitor Enable.
Status.
Monitor Level Select.
Monitor Disabled.
Monitor Enabled.
is at or below the V
is above the V
Monitor Threshold is set to VRST-LOW
Monitor Threshold is set to VRST-HIGH. This setting is required for any sys-
VDMLVL
R/W
5
0
DD
DD
DD
monitor circuit on/off. The V
Monitor Control
monitor threshold.
Rev. 1.2
DD
R
4
0
DD
monitor threshold.
monitor as a reset source before it has stabilized
Function
R
3
0
DD
DD
Monitor turn-on time.
R
2
0
DD
DD
Monitor cannot generate sys-
Monitor and selecting it as a
Monitor output).
R
1
0
R
0
0
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