F๐Ÿ’ปW/Standard

Felica ์ •๋ฆฌ

์ฒœ์ˆญ์ด 2022. 12. 13. 15:37

# ์šฉ์–ด

SoD
EoD
Start of Data
End of Data (EOF ๊ฐ™์€ ๋А๋‚Œ์ธ๊ฐ€ ๋ด„)
FDT Frame Delay Time
IDm Manufacture ID
MRT Maximum Response Time
NDEF NFC Data Exchange Format
RWT Response Waiting Time
Access Attrivute LSB 6bit Service Code
์ด ๊ฐ’์ด Block Data์— ์–ด๋–ป๊ฒŒ ๋“ค์–ด๊ฐˆ์ง€ ๊ฒฐ์ •
Access Mode Block Data์— ์ ‘๊ทผํ•  ๋•Œ์˜ ๋ฐฉ๋ฒ•์„ ๊ฒฐ์ •ํ•˜๋Š” Block List Element๋ฅผ ๊ตฌ์ฒดํ™” ํ•ด์ฃผ๋Š” ๊ฐ’
Block ๋ฉ”๋ชจ๋ฆฌ์— ์“ฐ๊ณ  ์ฝ์„ ๋•Œ, ์ œ์ผ ์ž‘์€ ๋‹จ์œ„
Block Number Block ์—์„œ์˜ ๋…ผ๋ฆฌ์  ์œ„์น˜.
NFC ๋””๋ฐ”์ด์Šค๊ฐ€ ๋ฉ”๋ชจ๋ฆฌ ๋ฐ์ดํ„ฐ๋ฅผ ๋‹ค๋ฃจ๊ธฐ ์œ„ํ•ด ์ด ๊ฐ’์„ ์‚ฌ์šฉ
Listen Mode NFC ๋””๋ฐ”์ด์Šค๊ฐ€ ๋‹ค๋ฅธ ๊ธฐ๊ธฐ์˜ RF ์˜์—ญ์„ ๊ฐ์ง€ํ•  ์ˆ˜ ์žˆ์Œ
Ln Length of the NDEF data in bytes
(NFC Data Exchange Format)
Poll Mode NFC ๊ธฐ๊ธฐ์˜ ์ดˆ๊ธฐ๋ชจ๋“œ
RWflag Type3 tag๊ฐ€ "read only" ์ธ์ง€ "read/write"์ ‘๊ทผ์ธ์ง€ ๋ณด์—ฌ์ค€๋‹ค
Service ๋ธ”๋ก๋ฐ์ดํ„ฐ์™€ ๋ธ”๋ก๋ฐ์ดํ„ฐ์˜ ์ง‘ํ•ฉ์— ์ ‘๊ทผํ•˜๋Š” ๊ฐœ๋…
Type3 Tag๋Š” ํ•˜๋‚˜ ์ด์ƒ์˜ ์„œ๋น„์Šค๋ฅผ ํฌํ•จ์‹œํ‚ฌ ์ˆ˜ ์žˆ์Œ
Service Code ๊ฐ๊ฐ์˜ Service๋“ค์„ ๊ตฌ๋ถ„์‹œ์ผœ์ฃผ๋Š” ๊ฐ’
Technology Subset  

 

# Blocks

๋ธ”๋ก๋“ค์€ 16bytes๋กœ ํฌ๊ธฐ๊ฐ€ ๊ณ ์ •๋˜์–ด ์žˆ๋‹ค. ๋ธ”๋ก์˜ ๊ฐฏ์ˆ˜๋Š” ํ•˜๋“œ์›จ์–ด์˜ ์นฉ์— ๋”ฐ๋ผ ๋‹ค๋ฅด๋‹ค.

Service์™€ ๊ด€๋ จ๋˜์–ด ์žˆ๋‹ค.

 

 

# Services

file system ์˜ file๊ณผ ๋น„์Šทํ•œ ๊ฐœ๋…. ๊ฐ ์„œ๋น„์Šค๋“ค์€ ๋ฉ”๋ชจ๋ฆฌ ๋ธ”๋ก์„ ๊ฐ€์ง€๊ณ  ์žˆ์Œ. ์„œ๋น„์Šค๋“ค์€ ๊ทธ๋“ค์˜ Type3 ํƒœ๊ทธ ๋‚ด๋ถ€์˜ ์„œ๋น„์Šค ์ฝ”๋“œ๋ฅผ ์‚ฌ์šฉํ•˜๋ฉฐ ๋‹ค๋ฃฌ๋‹ค.

 

# System Information

๊ฐ๊ฐ์˜ Type3 ํƒœ๊ทธ๋“ค์€ System Information์ด๋ผ๊ณ  ๋ถˆ๋ฆฌ๋Š” ์ œ์กฐ ๋ฐ์ดํ„ฐ๋ฅผ ๊ฐ€์ง€๊ณ  ์žˆ๋‹ค.

 

 

 

 

# Command Set

POLLING Command

CHECK Command

UPDATE Command

 

์ด ๋ช…๋ น์–ด๋“ค์€ ํ™œ์„ฑํ™”๋œ Type 3 Tag์— ์‚ฌ์šฉ๋จ

 

 

# State Diagram

Type 3 Tag State Diagram

 

 

 

# Polling Command

Polling Command๋Š” Type3 ํƒœ๊ทธ๊ฐ€ ํ•„๋“œ ๋‚ด์— ์žˆ๋Š”์ง€ ๊ฐ์ง€ํ•˜๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉ๋จ

 

# Check Command 

Type3 ํƒœ๊ทธ์˜ ๋ฉ”๋ชจ๋ฆฌ์— ์žˆ๋Š” user data๋ฅผ ์ฝ๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉ๋จ

06h

- Table 6์˜ ๋งค๊ฐœ๋ณ€์ˆ˜ ๋‚ด์šฉ๋“ค์„ ๋”ฐ๋ผ์•ผ ํ•จ

- NFC ๋””๋ฐ”์ด์Šค๋Š” 1~15์˜ Service๋“ค์„ ์ง€์›ํ•ด์•ผ ํ•œ๋‹ค.

- ๋ธ”๋ก ๋ฆฌ์ŠคํŠธ์˜ service code list ์ˆœ์„œ ๊ฐ’์€ ์„œ๋น„์Šค์˜ ์ˆ˜๋ณด๋‹ค ์ž‘์•„์•ผ ํ•œ๋‹ค. service code list์˜ ์ตœ๋Œ€๊ฐ’์€ n-1 (* n์€ ์„œ๋น„์Šค์˜ ์ˆ˜)

- ๊ฐ ์„œ๋น„์Šค ์ฝ”๋“œ ๊ฐ’์€ ์„œ๋น„์Šค ์ฝ”๋“œ ๋ฆฌ์ŠคํŠธ ๋‚ด๋ถ€์—์„œ ์œ ์ผํ•œ ๊ฐ’(unique)์ด๋‹ค

 

 

# Response

- NFC Forum Device๋Š” ์‘๋‹ต์„ ํ•ด์„ํ•ด์•ผ ํ•œ๋‹ค

- Check ์‘๋‹ต ํŒŒ๋ผ๋ฉ”ํ„ฐ๋ฅผ ํ•ด์„ํ•ด์•ผ ํ•œ๋‹ค (Table 7์— ์ •์˜)

Table 7 : Check Response Parameters

 

'F๐Ÿ’ปW > Standard' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

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