C8051F321-GMR Silicon Laboratories Inc, C8051F321-GMR Datasheet - Page 6

• Manufacturer Part Number: C8051F321-GMR
• Description: IC 8051 MCU 16K FLASH 28MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F32xr

Specifications of C8051F321-GMR

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 21
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Processor Series: C8051F3x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 2.25 KB
• Interface Type: I2C, SMBus, SPI, UART, USB
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 21
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F320DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 13 Channel / 10 bit, 7 Channel
• Package: 28MLP
• Device Core: 8051
• Family Name: C8051F321
• Maximum Speed: 25 MHz
• Operating Supply Voltage: 3.3 V
• For Use With: 336-1480 - DAUGHTER CARD TOOLSTCK C8051F321336-1449 - ADAPTER PROGRAM TOOLSTICK F321336-1260 - DEV KIT FOR C8051F320/F321
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

C8051F320/1
17. UART0.................................................................................................................... 187
18. Enhanced Serial Peripheral Interface (SPI0)...................................................... 195
19. Timers ................................................................................................................... 209
20. Programmable Counter Array (PCA0) ................................................................ 227
6
16.6.SMBus Status Decoding................................................................................. 184
17.1.Enhanced Baud Rate Generation................................................................... 188
17.2.Operational Modes ......................................................................................... 188
17.3.Multiprocessor Communications .................................................................... 190
18.1.Signal Descriptions......................................................................................... 196
18.2.SPI0 Master Mode Operation ......................................................................... 197
18.3.SPI0 Slave Mode Operation ........................................................................... 198
18.4.SPI0 Interrupt Sources ................................................................................... 199
18.5.Serial Clock Timing......................................................................................... 199
18.6.SPI Special Function Registers ...................................................................... 202
19.1.Timer 0 and Timer 1 ....................................................................................... 209
19.2.Timer 2 .......................................................................................................... 217
19.3.Timer 3 .......................................................................................................... 222
20.1.PCA Counter/Timer ........................................................................................ 228
20.2.Capture/Compare Modules ............................................................................ 229
20.3.Watchdog Timer Mode ................................................................................... 236
16.5.3.Slave Receiver Mode ............................................................................. 182
16.5.4.Slave Transmitter Mode ......................................................................... 183
17.2.1.8-Bit UART ............................................................................................. 189
17.2.2.9-Bit UART ............................................................................................. 190
18.1.1.Master Out, Slave In (MOSI).................................................................. 196
18.1.2.Master In, Slave Out (MISO).................................................................. 196
18.1.3.Serial Clock (SCK) ................................................................................. 196
18.1.4.Slave Select (NSS) ................................................................................ 196
19.1.1.Mode 0: 13-bit Counter/Timer ................................................................ 209
19.1.2.Mode 1: 16-bit Counter/Timer ................................................................ 211
19.1.3.Mode 2: 8-bit Counter/Timer with Auto-Reload...................................... 211
19.1.4.Mode 3: Two 8-bit Counter/Timers (Timer 0 Only)................................. 212
19.2.1.16-bit Timer with Auto-Reload................................................................ 217
19.2.2.8-bit Timers with Auto-Reload................................................................ 218
19.2.3.USB Start-of-Frame Capture.................................................................. 219
19.3.1.16-bit Timer with Auto-Reload................................................................ 222
19.3.2.8-bit Timers with Auto-Reload................................................................ 223
19.3.3.USB Start-of-Frame Capture.................................................................. 224
20.2.1.Edge-triggered Capture Mode................................................................ 230
20.2.2.Software Timer (Compare) Mode........................................................... 232
20.2.3.High Speed Output Mode....................................................................... 233
20.2.4.Frequency Output Mode ........................................................................ 234
20.2.5.8-Bit Pulse Width Modulator Mode......................................................... 235
20.2.6.16-Bit Pulse Width Modulator Mode....................................................... 236
20.3.1.Watchdog Timer Operation .................................................................... 237
Rev. 1.4