Electronic Components Datasheet Search
  English  ▼

X  

Preview PDF HTML

AT90USB646 Datasheet(PDF) 234 Page - ATMEL Corporation

Part # AT90USB646
Description  8-bit Atmel Microcontroller with 64/128Kbytes of ISP Flash and USB Controller
PDF  456 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90USB646 Datasheet(HTML) 234 Page - ATMEL Corporation

Back Button AT90USB646 Datasheet HTML 230Page - ATMEL Corporation AT90USB646 Datasheet HTML 231Page - ATMEL Corporation AT90USB646 Datasheet HTML 232Page - ATMEL Corporation AT90USB646 Datasheet HTML 233Page - ATMEL Corporation AT90USB646 Datasheet HTML 234Page - ATMEL Corporation AT90USB646 Datasheet HTML 235Page - ATMEL Corporation AT90USB646 Datasheet HTML 236Page - ATMEL Corporation AT90USB646 Datasheet HTML 237Page - ATMEL Corporation AT90USB646 Datasheet HTML 238Page - ATMEL Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 234 / 456 page
background image
234
7593L–AVR–09/12
AT90USB64/128
Table 21-5.
Status codes for Slave Receiver mode.
Status code
(TWSR)
prescaler bits
are 0
Status of the 2-wire serial bus
and 2-wire serial interface hard-
ware
Application software response
Next action taken by TWI hardware
To/from TWDR
To TWCR
STA
STO
TWINT
TWEA
0x60
Own SLA+W has been received;
ACK has been returned
No TWDR action
or
No TWDR action
X
X
0
0
1
1
0
1
Data byte will be received and NOT ACK will be re-
turned
Data byte will be received and ACK will be returned
0x68
Arbitration lost in SLA+R/W as
Master; own SLA+W has been
received; ACK has been returned
No TWDR action
or
No TWDR action
X
X
0
0
1
1
0
1
Data byte will be received and NOT ACK will be re-
turned
Data byte will be received and ACK will be returned
0x70
General call address has been
received; ACK has been returned
No TWDR action
or
No TWDR action
X
X
0
0
1
1
0
1
Data byte will be received and NOT ACK will be re-
turned
Data byte will be received and ACK will be returned
0x78
Arbitration lost in SLA+R/W as
Master; General call address has
been received; ACK has been re-
turned
No TWDR action
or
No TWDR action
X
X
0
0
1
1
0
1
Data byte will be received and NOT ACK will be re-
turned
Data byte will be received and ACK will be returned
0x80
Previously addressed with own
SLA+W; data has been received;
ACK has been returned
Read data byte
or
Read data byte
X
X
0
0
1
1
0
1
Data byte will be received and NOT ACK will be re-
turned
Data byte will be received and ACK will be returned
0x88
Previously addressed with own
SLA+W; data has been received;
NOT ACK has been returned
Read data byte
or
Read data byte
or
Read data byte
or
Read data byte
0
0
1
1
0
0
0
0
1
1
1
1
0
1
0
1
Switched to the not addressed Slave mode;
no recognition of own SLA or GCA
Switched to the not addressed Slave mode;
own SLA will be recognized;
GCA will be recognized if TWGCE = “1”
Switched to the not addressed Slave mode;
no recognition of own SLA or GCA;
a START condition will be transmitted when the bus
becomes free
Switched to the not addressed Slave mode;
own SLA will be recognized;
GCA will be recognized if TWGCE = “1”;
a START condition will be transmitted when the bus
becomes free
0x90
Previously addressed with gener-
al call; data has been received;
ACK has been returned
Read data byte
or
Read data byte
X
X
0
0
1
1
0
1
Data byte will be received and NOT ACK will be re-
turned
Data byte will be received and ACK will be returned
0x98
Previously addressed with gener-
al call; data has been received;
NOT ACK has been returned
Read data byte
or
Read data byte
or
Read data byte
or
Read data byte
0
0
1
1
0
0
0
0
1
1
1
1
0
1
0
1
Switched to the not addressed Slave mode;
no recognition of own SLA or GCA
Switched to the not addressed Slave mode;
own SLA will be recognized;
GCA will be recognized if TWGCE = “1”
Switched to the not addressed Slave mode;
no recognition of own SLA or GCA;
a START condition will be transmitted when the bus
becomes free
Switched to the not addressed Slave mode;
own SLA will be recognized;
GCA will be recognized if TWGCE = “1”;
a START condition will be transmitted when the bus
becomes free
0xA0
A STOP condition or repeated
START condition has been re-
ceived while still addressed as
Slave
No action
0
0
1
1
0
0
0
0
1
1
1
1
0
1
0
1
Switched to the not addressed Slave mode;
no recognition of own SLA or GCA
Switched to the not addressed Slave mode;
own SLA will be recognized;
GCA will be recognized if TWGCE = “1”
Switched to the not addressed Slave mode;
no recognition of own SLA or GCA;
a START condition will be transmitted when the bus
becomes free
Switched to the not addressed Slave mode;
own SLA will be recognized;
GCA will be recognized if TWGCE = “1”;
a START condition will be transmitted when the bus
becomes free



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100  ...More


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com