Selected Electrical Specifications
(TA = 0 to +70 C°, VREG = 5.0 V unless otherwise specified)
| Parameter | Conditions | Min | Type | Max | Units |
|---|---|---|---|---|---|
| Global Characteristics | |||||
| Regulator Input Voltage (REGIN) | 4.0 | - | 5.25 | V | |
| VDD (VREG Output) | 3.0 | 3.3 | 3.6 | V | |
| VREG (Bias Current) | VREG Enable | 70 | - | μA | |
| Supply Current with CPU and USB active | CPU Clock = 24 MHz, USB Clock = 48 MHz | - | 18 | - | mA |
| Supply Current with CPU and USB active | CPU Clock = 12 MHz, USB Clock = 6 MHz | - | 9 | - | mA |
| Supply Current (suspend mode,Oscillator off) | VDD Monitor Enabled; VREG Disabled | - | 30 | - | μA |
| Supply Current (suspend mode,Oscillator off) | VDD Monitor Disabled; VREG Disabled | - | <0.1 | - | μA |
| cPU CPU System Clock Range | DC | - | 25 | MHz | |
| Internal Oscillator & Clocks | |||||
| Frequency | Clock Recovery Enabled | 11.97 | 12.0 | 12.03 | MHz |
| Frequency | Clock Recovery Enabled | 11.82 | 12.0 | 12.18 | MHz |
| USB Clock | Full-Speed Operation | 47.88 | 48.0 | 48.12 | MHz |
| USB Clock | Low-Speed Operation | 5.91 | 6.0 | 6.09 | MHz |
| A/D Converter | |||||
| Resolution | 10 | 10 | 10 | bits | |
| Differential Nonlinearity | - | ±½ | ±1 | LSB | |
| Integral Nonlinearity | - | ±½ | ±1 | LSB | |
| Differential Nonlinearity | Guaranteed Monotonic | - | ±½ | ±1 | LSB |
| Signal-to-Noise Plus Distortion | 53 | - | - | dB | |
| Throughput Rate | - | - | 200 | ksps | |
| Input Voltage Range | 0 | - | VREF | V | |
| Comparator | |||||
| Response Time Mode0 | (CP+) – (CP-) = 100 mV | - | 0.1 | - | μs |
| Current Consumption Mode0 | - | 7.6 | - | μA | |
| Response Time Mode1 | (CP+) – (CP-) = 100 mV | - | 0.18 | - | μs |
| Current Consumption Mode1 | - | 3.2 | - | μA | |
| Response Time Mode2 | (CP+) – (CP-) = 100 mV | - | 0.32 | - | μs |
| Current Consumption Mode2 | - | 1.3 | - | μA | |
| Response Time Mode3 | (CP+) – (CP-) = 100 mV | - | 1 | - | μs |
| Current Consumption Mode3 | - | 0.4 | - | μA |
USB, 25 MIPS, 16 kB Flash, 10-Bit ADC, 28-Pin Mixed-Signal MCU
Analog Peripherals
10-Bit ADC
- ±1 LSB INL; no missing codes
- Programmable throughput up to 200 ksps
- Up to 13 external inputs; programmable as single-ended or differential
- Built-in temperature sensor (±3 °C)
Two Comparators
- Internal Voltage Reference: 2.4 V
- POR/Brown-out Detector
USB Function Controller
- USB specification 2.0 compliant
- Full-speed (12 Mbps) or low-speed (1.5 Mbps) operation
- Integrated clock recovery; no external crystal required for either fullspeed or low-speed operation
- Supports eight flexible endpoints
- Dedicated 1 kB USB buffer memory
- Integrated transceiver; no external resistors required
On-Chip Debug
- On-chip debug circuitry facilitates full speed, non-intrusive in-system debug (no emulator required)
- Provides breakpoints, single stepping
- Inspect/modify memory, registers, and USB memory
- Superior performance to emulation systems using ICE-chips, target pods, and sockets
Operating Voltage: 2.7 to 5.25 V
Temperature Range: –40 to +85 °C
High-Speed 8051 μC Core
- Pipelined instruction architecture; executes 70% of instructions in 1 or 2 system clocks
- Up to 25 MIPS throughput with 25 MHz Clock
- Expanded interrupt handler
Memory
- 1280 bytes data RAM
- 16 kB Flash; in-system programmable in 512-byte sectors (512 bytes are reserved)
Digital Peripherals
- 21 port I/O; all are 5 V tolerant
- Hardware SMBusTM (I2CTM compatible), SPITM, and UART serial ports available concurrently
- Programmable 16-bit counter/timer array with five capture/compare modules
- 4 general-purpose 16-bit counter/timers
Clock Sources
- Internal oscillator: 0.25% accuracy with clock recovery enabled; supports all USB and UART modes
- External oscillator: Crystal, RC, C, or Clocka
- On-chip clock multiplier for USB controller
Voltage Regulator
- On-chip voltage regulator supports USB bus-powered operation
- Regulator bypass mode supports USB self-powered operation
Package
- 28-pin QFN (lead-free package)
Ordering Part Number
- C8051F321-GM
