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ST7291L Datasheet, PDF (1/5 Pages) STMicroelectronics – 8-BIT MCU WITH 8/12/16/24/32K ROM, TIMER, SUPPLY SUPERVISOR AND CARRIER FREQUENCY GENERATOR
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ST7291L
8-BIT MCU WITH 8/12/16/24/32K ROM, TIMER, SUPPLY
SUPERVISOR AND CARRIER FREQUENCY GENERATOR
BRIEF DATA
s 2 to 5.5V Supply Operating Range
s 8MHz Maximum Clock Frequency
s Fully Static Operation
s 0 to +70°C Operating Temperature Range
s Run, Wait, Stop and RAM Retention modes
s User ROM: 12/16/24/ 32 Kbytes
s Data RAM: 256/384 bytes
s 28 pin SO Plastic Packages
s 21 Bidirectional I/O lines
s 8 standard Push-pull I/Os with wake-up feature
13 standard Push-pull I/Os
s 16-bit Timer with Output Compare (no output
pin)
s Low Voltage Detector (LVD)
s Interrupt Wake-up function
s IR Carrier Frequency Generator
s 8-bit Data Manipulation
s 63 Basic Instructions
s 17 main Addressing Modes
s 8x8 Unsigned Multiply instruction
s True Bit Manipulation
s Complete Development Support on PC/DOS/
Windows 3.1x/95/NT with Real-Time Emulator
s Full Software Package (Cross -Assembler,
Debugger)
s Full Hardware Emulator
s EPROM and OTP support
DEVICE SUMMARY
DEVICE
ST7291L6 (1)
ROM RAM
(Bytes) (Bytes)
32K 384
ST7291L5
24K 384
ST7291L5A
16K 384
ST7291L4
16K 256
ST7291L3
12K 256
ST7291L2
8K
256
CARRIER
GENERATOR
Yes
Yes
Yes
No
No
No
PSO28
(See end of Datasheet for Ordering Information)
Note 1. This device is in development, consult your
SGS-TH OMSON representative for the current status.
Figure 1. Pin Description
VDD 1
RESET 2
WKP 3
PA7 4
PA6 5
PA5 6
PA4 7
PA3 8
PA2 9
PA1 10
PC0 11
PA0 12
PB0 13
PB1 14
28 OSCin
27 OSCout
26 PC1/OP (1)
25 PC6
24 PC7
23 VSS
22 TEST
21 PC5
20 PB7
19 PB6
18 PB5
17 PB4
16 PB3
15 PB2
No tes:
1. PC1 on ST7291L2/L3/L4; software selectable as OP on
ST7291L6/L5/L5A
December 1997
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This is preliminary information ona new product in development orundergoing evaluation. Details are subject to change without notice.
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