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C8051F315
25 MIPS, 8 kB Flash, 28-Pin Mixed-Signal MCU
Analog Peripherals
Two Comparators
High-Speed 8051 C Core
-
-
Programmable hysteresis and response time Configurable to generate interrupts or reset Low current (0.4 A)
Pipelined instruction architecture; executes 70% of instructions in 1 or 2 system clocks Up to 25 MIPS throughput with 25 MHz system clock Expanded interrupt handler 1280 bytes internal data RAM (256 + 1 k) 8 kB Flash; in-system programmable in 512-byte sectors (512 bytes are reserved) 25 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, WDT 4 general-purpose 16-bit counter/timers Realtime clock mode using timer or PCA Internal oscillator: 24.5 MHz, 2% accuracy supports UART operation External oscillator: Crystal, RC, C, or Clock (1 or 2 pin modes) Can switch between clock sources on-the-fly 28-pin QFN (lead-free package) C8051F315-GM
POR/Brown-out Detector
Memory
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 and registers Superior performance to emulation systems using ICE-chips, target pods, and sockets Typical Operating Current: 7 mA at 25 MHz 15 A at 32 kHz Typical Stop Mode Current: <0.1 A
Digital Peripherals
Supply Voltage: 2.7 to 3.6 V
Temperature Range: -40 to +85 C
Clock Sources
Package Ordering Part Number
VDD
Analog/Digital Power
Port 0 Latch Port 1 Latch
P 0 D r v C R O S S B A R P 1 D r v P 2 D r v P 3 D r v
CP0
GND
UART
C2D
P0.0/VREF P0.1 P0.2/XTAL1 P0.3/XTAL2 P0.4/TX P0.5/RX P0.6/CNVST P0.7 P1.0 P1.1 P1.2 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 P3.0/C2D
Debug HW
Reset
RST/C2CK
POR
BrownOut
8 0 5 1
8 kB FLASH 256 Byte SRAM 1 kB SRAM
Timer 0,1,2,3 / RTC PCA/ WDT SMBus SPI Port 2 Latch
XTAL1 XTAL2
External Oscillator Circuit 2% Internal Oscillator
System Clock
C o SFR Bus r e
Port 3 Latch
+ + -
CP1
Small Form Factor
Copyright (c) 2005 by Silicon Laboratories
5.5.2005
C8051F315
25 MIPS, 8 kB Flash, 28-Pin Mixed-Signal MCU Selected Electrical Specifications
(TA = -40 to +85 C, VDD = 2.7 V unless otherwise specified)
PARAMETER CONDITIONS GLOBAL CHARACTERISTICS Supply Voltage Supply Current Clock = 25 MHz Clock = 1 MHz Clock = 32 kHz; VDD Monitor Disabled Supply Current Oscillator off; VDD Monitor Enabled (shutdown) Oscillator off; VDD Monitor Disabled Clock Frequency Range INTERNAL OSCILLATOR Frequency COMPARATORS Mode0 Response Time (CP+) - (CP-) = 100 mV Mode0 Supply Current Mode1 Response Time (CP+) - (CP-) = 100 mV Mode1 Supply Current Mode2 Response Time (CP+) - (CP-) = 100 mV Mode2 Supply Current Mode3 Response Time (CP+) - (CP-) = 100 mV Mode3 Supply Current MIN 2.7 7 0.5 15 10 <0.1 DC 24.0 24.5 0.10 7.6 0.18 3.2 0.32 1.3 1.0 0.40 25 25.0 TYP MAX 3.6 UNITS V mA mA A A A MHz MHz s A s A s A s A
Package Information
Bottom View
L 7
C8051F310DK Development Kit
MM TYP 0.90 0.02 0.65 0.25 0.23 5.00 3.15 5.00 3.15 0.5 0.55 28 7 7 0.435 0.435 0.18 0.18
10
11
12
13
14
8
9
15 D2 D2 2 E2 R 16 17 18 19 20 DETAIL 1 28 27 26 25 24 23 22 21 6xe E
6 5 4 e b
2 1
E2 2
3
6xe D
A A1 A2 A3 b D D2 E E2 e L N ND NE R AA BB CC DD
MIN 0.80 0 0 0.18 2.90 2.90 0.45
MAX 1.00 0.05 1.00 0.30 3.35 3.35 0.65
0.09
Side View
A2 A
DETAIL 1 AA BB
A3
A1
e
Small Form Factor
Copyright (c) 2005 by Silicon Laboratories
DD
CC
5.5.2005
Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc. Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders

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