TSC87C51/52
C51 Standard Microcontrollers selection table
Max
Device
ROM
(byte)
RAM
(byte)
Speed
(MHz)
I/0
Serial
Interfaces
16–bit
Timers
WD
Other
Features
General Purpose Microcontrollers – 5 Volt
TSC80C31
TSC80C51
TSC87C51
80C32
–
4 K
128
128
128
256
256
256
256
256
256
44
44
44
44
36
36
36
36
36
32
32
32
32
32
32
32
32
32
UART
2
2
2
3
3
3
3
3
3
SR, ST
UART
UART
UART
UART
UART
UART
UART
UART
SR, ST
SR, ST
SR, ST
SR, ST
SR, ST
SR, ST
SR, ST
SR, ST
4 K OTP
–
80C52
8 K
TSC87C52
80C154
8 K OTP
–
D
D
D
83C154
16 K
32 K
83C154D
General Purpose – Low Voltage: 3 Volt, up to 20 MHz !
TSC80C31–L
TSC80C51–L
TSC87C51–L
80C32–L
–
4 K
128
128
128
256
256
256
256
256
256
20
20
16
16
16
16
16
16
16
32
32
32
32
32
32
32
32
32
UART
UART
UART
UART
UART
UART
UART
UART
UART
2
SR, ST
SR, ST
SR, ST
SR, ST
SR, ST
SR, ST
SR, ST
SR, ST
SR, ST
2
4 K OTP
–
2
3
80C52...–L
8 K
3
TSC87C52–L
80C154–L
8 K OTP
–
3
3 (WD)
3 (WD)
3 (WD)
D
D
D
83C154...–L
83C154D...–L
16 K
32 K
General Purpose – Very Low Voltage: 1.8 Volt
TSC80CL31
TSC80CL51
–
128
128
4
4
32
32
UART
UART
2
2
SR, ST
SR, ST
4 K
WD: Watchdog Timer
SR: Secret ROMencrypted ROM option to secure the ROM against piracy.
ST: Secret Tag a 64–Bit identifier can be customized in order to serialize each microcontroller with a unique number.
C51 OTP Product features by supplier
In this chapter you will find the benchmark between the TEMIC products and other suppliers on the market of C51 OTP
microcontrollers.
This will help you to ensure the compatibility of the TEMIC product in your application after you have exactly listed the
features which are being used.
You can note that the standard features are not listed in this table
MATRA MHS
2
Rev. A – 10 September 1997
TEMIC [ TEMIC SEMICONDUCTORS ]
