C8051F302
ANALOG PERIPHERALS
8KB Flash, 256 RAM, 8-Bit ADC, 11-Pin MCU
PRELIMINARY
HIGH SPEED 8051
碌
C Core
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Pipe-lined Instruction Architecture; Executes 70% of
Instructions in 1 or 2 System Clocks
Up to 25MIPS Throughput with 25MHz Clock
Expanded Interrupt Handler
256 Bytes Internal Data RAM
8k Bytes FLASH; In-System Programmable in 512 byte
Sectors
8 Port I/O; All 5V tolerant with High Sink Current
Enhanced Hardware UART and SMBus錚?Serial Ports
Three General Purpose 16-Bit Counter/Timers
16-bit Programmable Counter Array with Three
Capture/Compare Modules, WDT
8-BIT ADC
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Up to 500ksps
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Up to 8 External Inputs
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Programmable Amplifier Gains of 4, 2, 1, & 0.5
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VREF from External Pin or VDD
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Internal or External Start of Conversion Sources
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Built-in Temperature Sensor (鹵 3擄C)
Comparator
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Programmable Hysteresis and Response Time
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Configurable as Wake-up or Reset Source
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Low Current (0.4uA)
MEMORY
DIGITAL PERIPHERALS
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ON-CHIP DEBUG
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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
Low Cost,
Complete
Development Kit
5.8mA @ 25MHz
11uA @ 32kHz
Typical Stop Mode Current: <0.1uA
Typical Operating Current:
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Real Time Clock Mode using PCA or Timer and
External Clock Source
Internal Oscillator: 20MHz Nominal
External Oscillator: Crystal, RC, C, or Clock (1 or 2 Pin
Modes)
Can Switch Between Clock Sources on-the-fly; Useful in
Power Saving Modes
3 x 3mm PCB Footprint; Actual MLP Size
CLOCK SOURCES
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SUPPLY VOLTAGE ............... 2.7V to 3.6V
11-Pin Micro Lead Package
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SMBus is a trademark of Intel Corp.
Temperature Range: 鈥?0擄C to +85擄C
擄
擄
VDD
GND
Analog/Digital
Power
C2D
Debug HW
Reset
Brown-
Out
/RST/C2CK
POR
8
0
5
1
Port 0
Latch
8kbyte
FLASH
256 byte
SRAM
UART
Timer 0,
1, 2 / RTC
PCA/
WDT
SMBus
X
B
A
R
P
0
D
r
v
P0.0/VREF
P0.1
P0.2/XTAL1
P0.3/XTAL2
P0.4/TX
P0.5/RX
P0.6/CNVST
P0.7/C2D
XTAL1
XTAL2
External
Oscillator
Circuit
Internal
Oscillator
System Clock
C
o
SFR Bus
r
e
C2D
CP0
VDD
VREF
Temp
A
M
U
X
+
-
8-bit
500ksps
ADC
PGA
AIN0-AIN7
10.15.2001
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