QT60326-AS Atmel, QT60326-AS Datasheet - Page 12

• Manufacturer Part Number: QT60326-AS
• Description: SENSOR IC MTRX TOUCH32KEY 44TQFP
• Manufacturer: Atmel
• Series: QMatrix™, QProx™r
• Type: Capacitiver

Specifications of QT60326-AS

• Rohs Status: RoHS non-compliant
• Number Of Inputs/keys: 32 Key
• Resolution (bits): 9, 11 b
• Data Interface: Serial, SPI™, UART
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 25mA
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 44-TQFP, 44-VQFP
• Output Type: *
• Interface: *
• Input Type: *

lQ
Advanced information; subject to change
0x11
0x12
0x0a
0x0b
0x0c
0x0d
0x0e
0x0F
0x10
0x16
0x4k
0x8k
0xck
Hex
Deltas for all
Error flags for all
FMEA status
Dump Setups
Eeprom CRC
Return last cmmd
Version
Return internal code
Return internal code
Sleep
Data for 1 key
Status for key ‘k’
CAL key ‘k’
Name
Sends back all key delta signals from ref
Error bit fields
FMEA bitfield on X, Y lines
Returns Setups block area followed by CRC.. Scanning is
halted and then auto-restarted after the cmd has
completed.
Get eeprom CRC
Returns last command received
Code version
Enter sleep; Command must be repeated 2x
consecutively without any intervening command in 100ms
to execute.
Get signal, ref, Norm DI for key k {0..47}
Signal: 2 bytes; Ref: 2 bytes; Norm DI: 1 byte
Get status byte for key ‘k’ {0..47}
Force calibration of key # k where k= 0..47. Command
must be repeated 2x consecutively without any
intervening command in 100ms to execute
Description
#/Cmd
1
1
1
1
1
1
1
1
1
2
1
1
2
12
# rtnd
nn+2
48
7
2
2
1
2
3
2
1
5
2
1
0xE9 + 0x01
nn+2 bytes
Rtn range
0..0xFFFF
0..0xFFFF
Each byte
0.0xFFFF
48 bytes
0..0xFF
0..0xFF
6 bytes
0..0xFF
0..0xFF
0..0xFF
0..0xFF
~0xck
0..FF
0..FF
CRC
16
16
8
8
8
8
8
-
-
-
-
-
Returns block data for all keys’ signal deltas from refs;
Signed binary: range -127 .. +128. Truncated results (no
wrap)
Last return byte is CRC-8 of cmmd + return data
Last return byte is CRC-8 of cmmd + return data
Dump of fixed length ‘nn’ followed by CRC-16
CRC is same as CRC at end of Setups block load.
Part will timeout if each byte not transmitted within 100ms of
CRC-16 only on Setups array section of eeprom
CRC is same as CRC at end of Setups block load. CRC is
Returns 1’s compliment of last command even if bad
2nd byte is CRC-8 of cmmd + return data
Returned internal code. 2nd byte is CRC-8 of cmmd +
Returns 1’s complement of command to acknowledge;
DRDY is held low while the part is asleep. DRDY is
Diagnostic use only, not to be relied upon (no CRC). Signal
and ref are Tx as 2 bytes, LSB first.
Second return byte is CRC-8 of cmmd + return data
Bit 2 - set if Ref < lower signal limit
Bit 3 - set if key detect
Bit 4 - set if key enabled
Used in Run mode. Normal sensing of other keys not
Returns the ones compliment of the cmd char, once the cal
CRC is sent to host LSB first.
previous byte. (This can happen if DRDY is driven by
the host).
Tx LSB first.
return data
wakes on INT, meanwhile sleeps in low power mode;
0x01 when restarted. If 2 commands not received in
100ms, times out and no response is issued.
released high once awake and ready to return the 0x01.
affected. CAL of ‘k’ only takes place in the key’s normal
timeslot.
is scheduled.
Notes
QT60486-AS 0.07/1103