ST90158 - ST90135
8/16-BIT MCU FAMILY WITH
UP TO 64K ROM/OTP/EPROM AND UP TO 2K RAM
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Register File based 8/16 bit Core Architecture
with RUN, WFI, SLOW and HALT modes
0 - 16 MHz Operation @ 5V±10%, -40°C to
+85°C and 0°C to +70°C Operating
Temperature Ranges
0 - 14 MHz Operation @ 3V±10% and 0°C to
+70°C Operating Temperature Range
Fully Programmable PLL Clock Generator, with
Frequency Multiplication and low frequency,
low cost external crystal
Minimum 8-bit Instruction Cycle time: 83ns - (@
24 MHz internal clock frequency)
Minimum 16-bit Instruction Cycle time: 250ns -
(@ 24 MHz internal clock frequency)
Internal Memory:
– EPROM/OTP/ROM 16/24/32/48/64K bytes
– ROMless version available
– RAM 512/768/1K/1.5K/2K bytes
Maximum External Memory: 64K bytes
224 general purpose registers available as
RAM, accumulators or index pointers (register
file)
80-pin Plastic Quad Flat Package and 80-pin
Thin Quad Flat Package
67 fully programmable I/O bits
8 external and 1 Non-Maskable Interrupts
DMA Controller and Programmable Interrupt
Handler
Single Master Serial Peripheral Interface
Two 16-bit Timers with 8-bit Prescaler, one
usable as a Watchdog Timer (software and
hardware)
Three (ST90158) or two (ST90135) 16-bit
Multifunction Timers, each with an 8 bit
prescaler, 12 operating modes and DMA
capabilities
8 channel 8-bit Analog to Digital Converter, with
Automatic voltage monitoring capabilities and
external reference inputs
Two (ST90158) or one (ST90135) Serial
Communication Interfaces with asynchronous,
synchronous and DMA capabilities
Rich Instruction Set with 14 Addressing modes
Division-by-Zero trap generation
TQFP80
PQFP80
Versatile
Development Tools, including
Assembler, Linker, C-compiler, Archiver,
Source Level Debugger and Hardware
Emulators with Real-Time Operating System
available from Third Parties
DEVICE SUMMARY
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DEVICE
Program RAM
Memory
MFT SCI PACKAGE
(Bytes) (Bytes)
16K ROM
512
768
1K
1.5K
2K
2K
2K
2K
2K
2K
2
2
2
3
3
3
3
3
3
3
1
1
1
2
2
2
2
2
2
2
PQFP80/
TQFP80
CQFP80
CQFP80
PQFP80
PQFP80/
TQFP80/
PQFP80/
TQFP80
PQFP80
24K ROM
32K ROM
48K ROM
ST90135
ST90158
ST90E158
64k ROM
64K
EPROM
64K
ST90E158LV
EPROM
ST90T158 64K OTP
ST90T158LV 64K OTP
ST90R158
ROMless
Rev. 3.0
January 2000
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STMICROELECTRONICS [ STMICROELECTRONICS ]
