C8051F121 Silicon Laboratories Inc, C8051F121 Datasheet - Page 45

• 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: -

AD0/D0/P3.0
AD1/D1/P3.1
AD2/D2/P3.2
AD3/D3/P3.3
AD4/D4/P3.4
AD5/D5/P3.5
AD6/D6/P3.6
AD7/D7/P3.7
Name
P4.0
P4.1
P4.2
P4.3
P4.4
‘F120
‘F122
‘F124
‘F126
54
53
52
51
50
49
48
47
98
97
96
95
94
Pin Numbers
‘F121
‘F123
‘F125
‘F127
47
46
45
44
43
42
39
38
Table 4.1. Pin Definitions (Continued)
‘F130
‘F132
54
53
52
51
50
49
48
47
98
97
96
95
94
‘F131
‘F133
47
46
45
44
43
42
39
38
Rev. 1.4
D I/O Bit 0 External Memory Address/Data bus (Multi-
D I/O Port 3.1. See Port Input/Output section for com-
D I/O Port 3.2. See Port Input/Output section for com-
D I/O Port 3.3. See Port Input/Output section for com-
D I/O Port 3.4. See Port Input/Output section for com-
D I/O Port 3.5. See Port Input/Output section for com-
D I/O Port 3.6. See Port Input/Output section for com-
D I/O Port 3.7. See Port Input/Output section for com-
D I/O Port 4.0. See Port Input/Output section for com-
D I/O Port 4.1. See Port Input/Output section for com-
D I/O Port 4.2. See Port Input/Output section for com-
D I/O Port 4.3. See Port Input/Output section for com-
D I/O Port 4.4. See Port Input/Output section for com-
Type
C8051F120/1/2/3/4/5/6/7
plexed mode)
Bit 0 External Memory Data bus (Non-multi-
plexed mode)
Port 3.0
See Port Input/Output section for complete
description.
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C8051F130/1/2/3
Description
45