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C8051F41X Schematic ( PDF Datasheet ) - Silicon Laboratories

Teilenummer C8051F41X
Beschreibung 12-Bit ADC MCU
Hersteller Silicon Laboratories
Logo Silicon Laboratories Logo 




Gesamt 2 Seiten
C8051F41X Datasheet, Funktion
www.DataSheet4U.com
C8051F41x
2.0 V, 32/16 kB, smaRTClock, 12-Bit ADC MCU
Analog Peripherals
12-bit ADC
- ±1 LSB INL; no missing codes
- Programmable Throughput up to 200 ksps
- Up to 24 External Inputs; programmable as single-ended or differential
- Data Dependent Windowed Interrupt Generator
- Built-in Temperature Sensor (±3 °C)
- Internal Voltage Reference—1.5 V, 2.2 V (programmable)
Two 12-Bit Current Mode DACs
Two Comparators
- Programmable hysteresis values and response time
- Configurable to generate interrupts or reset
POR/Brown-out Detector
On-Chip Debug
- On-chip debug circuitry facilitates full speed, non-intrusive in-system
debug (no emulator required)
- Provides breakpoints, single stepping, watchpoints
- Inspect/modify memory, registers, and stack
- Superior performance to emulation systems using ICE-chips, target
pods, and sockets
Supply Voltage: 2.0–5.25 V
- Built-in LDO regulator: 2.1 V or 2.5 V
smaRTClock™
- Battery switchover circuit
- Back-up power supply
- Oscillator failure detect
- Operates down to 1 V
High-Speed 8051 CPU
- Pipelined instruction architecture; executes 70% of instructions in 1 or 2
system clocks
- Up to 50 MIPS throughput with 50 MHz system clock
- Expanded interrupt handler
Memory
- 2304 bytes data RAM
- 16 kB, 32 kB Flash; in-system programmable in 512-Byte Sectors; Full
Read/Write/Erase Functionality at 2.25 VDD
- 64 bytes battery-backed RAM
Digital Peripherals
- 24 port I/O; up to 5.25 V tolerance
- Hardware SMBus™ (I2C™ compatible), SPI™, and UART serial ports
available concurrently
- 16-bit programmable counter array with six capture/compare modules,
WDT
- 4 general-purpose 16-bit counter/timers
Clock Sources
- Internal Oscillators: 24.5 MHz, 2% Accuracy Supports UART Operation;
Clock Multiplier up to 50 MHz
- External Oscillator: Crystal, RC, C, or Clock (1 or 2 pin modes)
- External smaRTClock Oscillator: 32 kHz Crystal or self
resonant oscillator
- Fast wake up from suspend mode in <1 µs
- Can switch between clock sources on-the-fly
Available in 28-Pin QFN and 32-Pin LQFP
Temperature Range: –40 to +85 °C
VREGIN
VDD
VRTC-BACKUP
GND
VREG
(to rest of chip)
(to smarRTClock Block)
Battery Switch-Over Circuit
(VDD >= VRTC-BACKUP)
/RST/C2CK
C2D
Debug HW
POR
Brown-
Out
XTAL1
XTAL2
External
Oscillator
Circuit
24.5 MHz
2% Oscillator
8 x16 32 kB
FLASH
0
5Reset
256 B
SRAM
1 2 kB
XRAM
Clock
Mult.
C
o SFR Bus
r
e CRC
Engine
XTAL3
XTAL4
32 KHz
Oscillator
smaRTClock Block
64B RAM
smaRTClock
State
Machine
smaRTClock Alarm
Port 0
Latch
Port 1
Latch
UART
Timer
0,1,2,3
PCA x6 /
WDT
SMBus
SPI
Port 2
Latch
12-bit
IDAC0
IDAC0
C
R
O
S
S
B
A
R
P
0
D
r
v
P
1
D
r
v
P
2
D
r
v
12-bit
IDAC1
IDAC1
VREF
VDD
12-bit
200 ksps
ADC
CP0
CP1 +
-
+
-
Temp
A
M
U
X
AIN0-AIN23
VIO
P0.0/IDAC0
P0.1/IDAC1
P0.2
P0.3
P0.4/TX
P0.5/RX
P0.6/CNVST
P0.7
P1.0/XTAL1
P1.1/XTAL2
P1.2/VREF
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7/C2D
Small Form Factor
Copyright © 2006 by Silicon Laboratories
2.24.2006





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