C8051F338-GM Silicon Laboratories Inc, C8051F338-GM Datasheet - Page 103
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C8051F338-GM
Manufacturer Part Number
C8051F338-GM
Description
IC MCU 16K FLASH 24QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051F33xr
Specifications of C8051F338-GM
Program Memory Type
FLASH
Program Memory Size
16KB (16K x 8)
Package / Case
24-QFN
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, Temp Sensor, WDT
Number Of I /o
21
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F3x
Core
8051
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
I2C/SMBus/SPI/UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
21
Number Of Timers
4
Operating Supply Voltage
2.7 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
KSK-SL-TOOLSTICK, PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F336DK
Minimum Operating Temperature
- 40 C
On-chip Adc
16-ch x 10-bit
On-chip Dac
1-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1427-5
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SFR Definition 17.1. VDM0CN: V
SFR Address = 0xFF
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
tics” on page 27
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 100 µs, the one-shot will time out and generate a reset. After a
MCD reset, the MCDRSF flag (RSTSRC.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 unaffected by this reset.
Name
Reset
Bit
5:0
Type
7
6
Bit
VDDSTAT
UNUSED
VDMEN
VDMEN
Name
Varies
R/W
7
for complete RST pin specifications. The PINRSF flag (RSTSRC.0) is set on exit from an
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.
0: V
1: V
V
This bit indicates the current power supply status (V
0: V
1: V
Unused. Read = 000000b; Write = Don’t care.
Varies
DD
DD
R
6
DD
DD
DD
DD
Monitor Enable.
Status.
Monitor Disabled.
Monitor Enabled.
is at or below the V
is above the V
R
5
0
DD
DD
DD
monitor circuit on/off. The V
Monitor Control
monitor threshold.
DD
Rev.1.0
R
4
0
DD
monitor threshold.
monitor as a reset source before it has stabilized
Function
R
3
0
Section “6. Electrical Characteris-
C8051F336/7/8/9
DD
R
2
0
DD
DD
Monitor cannot generate sys-
Monitor and selecting it as a
Monitor output).
R
1
0
R
0
0
103
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