C8051F121 Silicon Laboratories Inc, C8051F121 Datasheet - Page 183

• Manufacturer Part Number: C8051F121
• Description: IC 8051 MCU FLASH 128K 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F12xr

Specifications of C8051F121

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 100MHz
• Connectivity: EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 32
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 8.25K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x8b, 8x12b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Table 13.1. Reset Electrical Characteristics
–40 to +85 °C unless otherwise specified.
RST Output Low Voltage
RST Input High Voltage
RST Input Low Voltage
RST Input Leakage Current
V
AV+ for RST Output Valid
V
Minimum RST Low Time to Gen-
erate a System Reset
Reset Time Delay
Missing Clock Detector Timeout
*Note: When operating at frequencies above 50 MHz, minimum
DD
DD
for RST Output Valid
POR Threshold (V
Parameter
RST
)*
RST = 0.0 V
I
RST rising edge after V
crosses V
Time from last system clock to
reset initiation
OL
= 8.5 mA, V
RST
Conditions
Rev. 1.4
threshold
DD
= 2.7 to 3.6 V
C8051F120/1/2/3/4/5/6/7
V
DD
DD
supply Voltage is 3.0 V.
0.7 x V
C8051F130/1/2/3
2.40
Min
100
1.0
1.0
10
80
—
—
—
DD
2.55
Typ
100
220
50
—
—
—
—
—
—
0.3 x V
Max
2.70
120
500
0.6
—
—
—
—
—
DD
Units
µA
ms
ns
µs
V
V
V
V
V
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