Standard Products
UT69RH051 Radiation-Hardened MicroController
Data Sheet
June 2004
FEATURES
Three 16-bit timer/counters
- High speed output
- Compare/capture
- Pulse width modulator
- Watchdog timer capabilities
256 bytes of on-chip data RAM
32 programmable I/O lines
7 interrupt sources
Programmable serial channel with:
- Framing error detection
- Automatic address recognition
TTL and CMOS compatible logic levels
64K external data and program memory space
MCS-51 fully compatible instruction set
Flexible clock operation
- 1Hz to 20MHz with external clock
- 2MHz to 20MHz using internal oscillator with external
crystal
Radiation-hardened process and design; total dose irradia-
tion testing MIL-STD-883 Method 1019
- Total dose: 1.0E6 rads(Si)
- Latchup immune
Packaging options:
- 40-pin 100-mil center DIP (0.600 x 2.00)
- 44-lead 25-mil center Flatpack (0.670 x 0.800)
Standard Microcircuit Drawing 5962-95638 available
- QML Q & V compliant
RAM ADDRESS
REGISTER
PORT 0
DRIVERS
PORT 2
DRIVERS
RAM
PORT 0
LATCH
PORT 2
LATCH
PROGRAM
ADDRESS
REGISTER
BUFFER
PC
INCREMENTER
PROGRAM
COUNTER
DPTR
B
REGISTER
ACC
TMP2
ALU
TMP1
PSEN
ALE
EA
RST
INSTRUCTION
REGISTER
MICRO-
SEQUENCER
PSW
TMP3
STACK
POINTER
SPECIAL FUNCTION
REGISTERS,
TIMERS,
PCA,
SERIAL PORT
PORT 1
LATCH
PORT 1
DRIVERS
PORT 3
LATCH
PORT 3
DRIVERS
OSC.
XTAL1
XTAL2
P1.0 - P1.7
P3.0 - P3.7
Figure 1. UT69RH051 MicroController Block Diagram
-1
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