C8051F121 Silicon Laboratories Inc, C8051F121 Datasheet - Page 16
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C8051F121
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
-
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Part Number:
C8051F121
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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Part Number:
C8051F121-GQ
Manufacturer:
Silicon Laboratories Inc
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Part Number:
C8051F121-GQR
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Silicon Laboratories Inc
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C8051F121R
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Silicon Laboratories Inc
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10 000
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C8051F120/1/2/3/4/5/6/7
C8051F130/1/2/3
SFR Definition 11.4. SFRNEXT: SFR Next Register . . . . . . . . . . . . . . . . . . . . . . . . . 143
SFR Definition 11.5. SFRLAST: SFR Last Register . . . . . . . . . . . . . . . . . . . . . . . . . 143
SFR Definition 11.6. SP: Stack Pointer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
SFR Definition 11.7. DPL: Data Pointer Low Byte . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
SFR Definition 11.8. DPH: Data Pointer High Byte . . . . . . . . . . . . . . . . . . . . . . . . . . 151
SFR Definition 11.9. PSW: Program Status Word . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
SFR Definition 11.10. ACC: Accumulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
SFR Definition 11.11. B: B Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
SFR Definition 11.12. IE: Interrupt Enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
SFR Definition 11.13. IP: Interrupt Priority . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
SFR Definition 11.14. EIE1: Extended Interrupt Enable 1 . . . . . . . . . . . . . . . . . . . . . 159
SFR Definition 11.15. EIE2: Extended Interrupt Enable 2 . . . . . . . . . . . . . . . . . . . . . 160
SFR Definition 11.16. EIP1: Extended Interrupt Priority 1 . . . . . . . . . . . . . . . . . . . . . 161
SFR Definition 11.17. EIP2: Extended Interrupt Priority 2 . . . . . . . . . . . . . . . . . . . . . 162
SFR Definition 11.18. PCON: Power Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
SFR Definition 12.1. MAC0CF: MAC0 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 170
SFR Definition 12.2. MAC0STA: MAC0 Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
SFR Definition 12.3. MAC0AH: MAC0 A High Byte . . . . . . . . . . . . . . . . . . . . . . . . . . 171
SFR Definition 12.4. MAC0AL: MAC0 A Low Byte . . . . . . . . . . . . . . . . . . . . . . . . . . 172
SFR Definition 12.5. MAC0BH: MAC0 B High Byte . . . . . . . . . . . . . . . . . . . . . . . . . . 172
SFR Definition 12.6. MAC0BL: MAC0 B Low Byte . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
SFR Definition 12.7. MAC0ACC3: MAC0 Accumulator Byte 3 . . . . . . . . . . . . . . . . . . 173
SFR Definition 12.8. MAC0ACC2: MAC0 Accumulator Byte 2 . . . . . . . . . . . . . . . . . 173
SFR Definition 12.9. MAC0ACC1: MAC0 Accumulator Byte 1 . . . . . . . . . . . . . . . . . 173
SFR Definition 12.10. MAC0ACC0: MAC0 Accumulator Byte 0 . . . . . . . . . . . . . . . . . 174
SFR Definition 12.11. MAC0OVR: MAC0 Accumulator Overflow . . . . . . . . . . . . . . . . 174
SFR Definition 12.12. MAC0RNDH: MAC0 Rounding Register High Byte . . . . . . . . . 174
SFR Definition 12.13. MAC0RNDL: MAC0 Rounding Register Low Byte . . . . . . . . . 175
SFR Definition 13.1. WDTCN: Watchdog Timer Control . . . . . . . . . . . . . . . . . . . . . . 181
SFR Definition 13.2. RSTSRC: Reset Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
SFR Definition 14.1. OSCICL: Internal Oscillator Calibration. . . . . . . . . . . . . . . . . . . 186
SFR Definition 14.2. OSCICN: Internal Oscillator Control . . . . . . . . . . . . . . . . . . . . . 186
SFR Definition 14.3. CLKSEL: System Clock Selection . . . . . . . . . . . . . . . . . . . . . . . 188
SFR Definition 14.4. OSCXCN: External Oscillator Control . . . . . . . . . . . . . . . . . . . . 189
SFR Definition 14.5. PLL0CN: PLL Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
SFR Definition 14.6. PLL0DIV: PLL Pre-divider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
SFR Definition 14.7. PLL0MUL: PLL Clock Scaler . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
SFR Definition 14.8. PLL0FLT: PLL Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
SFR Definition 15.1. FLACL: Flash Access Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
SFR Definition 15.2. FLSCL: Flash Memory Control . . . . . . . . . . . . . . . . . . . . . . . . . 208
SFR Definition 15.3. PSCTL: Program Store Read/Write Control . . . . . . . . . . . . . . . 209
SFR Definition 16.1. CCH0CN: Cache Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
SFR Definition 16.2. CCH0TN: Cache Tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
SFR Definition 16.3. CCH0LC: Cache Lock Control . . . . . . . . . . . . . . . . . . . . . . . . . 216
SFR Definition 16.4. CCH0MA: Cache Miss Accumulator . . . . . . . . . . . . . . . . . . . . . 217
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Rev. 1.4
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