C8051F236
ANALOG PERIPHERALS
Two Comparators
-
Programmable Hysteresis
-
Configurable to Generate Interrupts or Reset
VDD Monitor
and
Brown-out Detector
ON-CHIP JTAG DEBUG
-
On-Chip Debug Circuitry Facilitates Full Speed,
Non-Intrusive In-System Debug (No Emulator
Required!)
-
Provides Breakpoints, Single Stepping,
Watchpoints, Stack Monitor
-
Inspect/Modify Memory and Registers
-
Superior Performance to Emulation Systems Using
ICE-Chips, Target Pods, and Sockets
-
Low Cost, Complete Development Kit
SUPPLY VOLTAGE ......................2.7V to 3.6V
-
Typical Operating Current: 9mA @ 25MHz
-
Typical Stop Mode Current: <0.1uA
Temperature Range: 鈥?0擄C to +85擄C
擄
擄
48-Pin TQFP Package
8K Flash, 1.25K RAM, 48-Pin MCU
PRELIMINARY
8051-COMPATIBLE
碌
C Core
-
Pipelined Instruction Architecture; Executes 70%
of Instructions in 1 or 2 System Clocks
-
Up to
25MIPS
Throughput with 25MHz Clock
-
Expanded Interrupt Handler
MEMORY
-
1280 Bytes Internal Data RAM (256 + 1k)
-
8k Bytes FLASH; In-System Programmable in 512
byte Sectors
DIGITAL PERIPHERALS
-
32 Port I/O; All are 5V tolerant
TM
-
Hardware SPI and UART Serial Ports Available
Concurrently
-
Three 16-bit Counter/Timers
-
Dedicated Watch-Dog Timer
-
Bi-directional Reset
CLOCK SOURCES
-
Internal Programmable Oscillator: 2-to-16MHz
-
External Oscillator: Crystal, RC, C, or Clock
-
Can Switch Between Clock Sources on-the-fly;
Useful in Power Saving Modes
SPI is a trademark of Motorola, Inc.
VDD
VDD
GND
GND
NC
NC
NC
Analog/Digital
Power
Port 0
Latch
UART
Timer 0
Timer 1
Timer 2
P
0
M
U
X
P
0
D
r
v
P0.0/TX
P0.1/RX
P0.2//INT0
P0.3//INT1
P0.4/T0
P0.5/T1
P0.6/T2
P0.7/T2EX
TCK
TMS
TDI
TDO
/RST
JTAG
Logic
Debug HW
Reset
8
0
5
1
C
o
r
e
8kbyte
FLASH
256 byte
RAM
1024 byte
XRAM
Port 1
Latch
CP0+
CP0
CP0
P
1
M
U
X
P
1
D
r
v
CP0-
CP1+
CP1
CP1
P1.0/CP0+
P1.1/CP0-
P1.2/CP0
P1.3/CP1+
P1.4/CP1-
P1.5/CP1
P1.6/SYSCLK
P1.7
CP1-
SYSCLK
MONEN
VDD
Monitor
External
Oscillator
Circuit
Internal
Oscillator
WDT
XTAL1
XTAL2
SFR Bus
Port 2
Latch
SPI
P
2
M
U
X
P
2
D
r
v
P
3
System Clock
P2.0/SCK
P2.1/MISO
P2.2/MOSI
P2.3/NSS
P2.4
P2.5
P2.6
P2.7
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
NC
Port 3
Latch
D
r
v
7.15.2002
1
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