AT83EC5123 ATMEL Corporation, AT83EC5123 Datasheet - Page 53
AT83EC5123
Manufacturer Part Number
AT83EC5123
Description
(AT8xx512x) Smart Card Reader ICs
Manufacturer
ATMEL Corporation
Datasheet
1.AT83EC5123.pdf
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4202B–SCR–07/03
Table 52. Smart Card Character/Block Wait Time Register 2
SCWT2 (S:B6h, SCRS=0)
Reset Value = 0000 0000b
Table 53. Smart Card Character/Block Wait Time Register 1
SCWT1 (S:B5h, SCRS=0)
Reset Value = 0010 0101b
Table 54. Smart Card Character/Block Wait Time Register 0
SCWT0 (S:B4h, SCRS=0)
Reset Value = 1000 0000b
Number
Number
Number
WT23
WT15
7 - 0
7 - 0
WT7
7 - 0
Bit
Bit
Bit
7
7
7
Mnemonic Description
Mnemonic Description
Mnemonic Description
WT[23:16]
WT[15:8]
WT[7:0]
WT22
WT14
WT6
Bit
Bit
Bit
6
6
6
Wait Time Byte2
Used together with WT[31:24] and WT[15:0] in registers SCWT3,SCWT1,
SCWT0 (see Table 54).
Wait Time Byte 1
Used together with WT[31:16] and WT[7:0] in registers SCWT3,SCWT2, SCWT0
(see Table 51).
Wait Time Byte 0
WT[31:0] is the reload value of the Wait Time counter WTC.
The WTC is a general-purpose timer. It is using the ETU clock and is controlled
by the WTEN bit (see Table 39 on page 45 and Section “Waiting Time (WT)
Counter”, page 40).
When UART bit of Registers is set, the WTC is automatically reloaded at each
start bit of the UART. It is used to check the maximum time between to
consecutive start bits.
WT21
WT13
WT5
5
5
5
WT20
WT12
WT4
4
4
4
WT19
WT11
WT3
3
3
3
WT18
WT10
WT2
2
2
2
AT8xC5122/23
WT17
WT9
WT1
1
1
1
WT16
WT8
WT0
0
0
0
53
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