Datasheet
...........................................................................................................Customer
...........................................................................................................Address
...........................................................................................................Contact
...........................................................................................................Phone no.
FASTROM code name is assigned by STMicroelectronicsReference
FASTROM code
Preferable format for programing code is .Hex (.s19 is accepted)
If data EEPROM programing is required, a seperate file must be sent with the requested data.
Important: See the option byte section in the datasheet for authorized option byte
combinations and a detailed explanation. Do not use more than one remapping option
in the same port. It is forbidden to enable both AFR1 and AFR0.
Device type/memory size/package
8 KbyteFASTROM device
[ ] STM8S903F3TSSOP20
[ ] STM8S903F3SO20
[ ] STM8S903F3UFQFPN20
[ ] STM8S903K3LQFP32
[ ] STM8S903K3UFQFPN32
Conditioning (check only one option)
[ ] Tape & reel or [ ] Tray
Special marking (check only one option)
[ ] No [ ] Yes
Authorized characters are letters, digits, '.', '-', '/' and spaces only. Maximum character counts
are:
LQFP32: 2 lines of 7 characters max: "_ _ _ _ _ _ _" and "_ _ _ _ _ _ _"
TSSOP20: 1 line of 10 characters max: "_ _ _ _ _ _ _ _ _ _"
SO20: 1 line of 13 characters max: "_ _ _ _ _ _ _ _ _ _ _ _ _"
UFQFPN32: 1 line of 7 characters max: "_ _ _ _ _ _ _"
UFQFPN20: 1 line of 4 characters max: "_ _ _ _ "
Three characters are reserved for code identification.
Temperature range
[ ] -40°C to +85°C or [ ] -40°C to +125°C
105/116DocID15590 Rev 8
Ordering informationSTM8S903K3 STM8S903F3