tda8031hl-c107 NXP Semiconductors, tda8031hl-c107 Datasheet - Page 40
tda8031hl-c107
Manufacturer Part Number
tda8031hl-c107
Description
Usb Smart Card Reader Otp Or Rom
Manufacturer
NXP Semiconductors
Datasheet
1.TDA8031HL-C107.pdf
(57 pages)
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Philips Semiconductors
Table 38 Set device status command function bits
Table 39 Power-on value for Get Error Code
Table 40 Error codes
2003 Jul 04
Suspend
Suspend Change
Bus reset
Error code
Error occurred
Reserved
USB smart card reader (OTP or ROM)
FUNCTION
FUNCTION
ERROR CODE[3:0]
The Suspend bit represents the current Suspend state. It is logic 1 when the device has not seen
any activity on its upstream port for more than 3 ms. It is reset to logic 0 on any activity.
When the device is suspended, (Suspend bit = 1) and the microcontroller writes logic 0 into it,
the device will generate a remote wake-up. When the device is not suspended, writing a logic 0
has no effect. Writing a logic 1 in this register has no an effect.
The Suspend Change bit is set to logic 1 when the Suspend bit toggles. The Suspend bit can
toggle because:
The Bus reset bit is set when the device receives a bus reset. It is cleared when read. On a bus
reset, the device will automatically go to the default state (unconfigured and responding to
address 0).
The device goes into the suspended state
The device receives resume signalling on its upstream port
The Suspend Change bit is reset after the register has been read.
7
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
6
5
40
DESCRIPTION
4
0
wrong toggle bit in data PID; ignored data
3
0
error in end of packet
buffer overrun error
PID encoding error
unexpected packet
error in token CRC
error in data CRC
DESCRIPTION
unknown PID
time-out error
error in sync
bitstuff error
sent NAK
sent Stall
reserved
no error
babble
TDA8030; TDA8031
2
0
Product specification
1
0
0
0
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