參數(shù)資料
型號: M34559G6FP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP52
封裝: 10 X 10 MM, 0.65 MM PITCH, PLASTIC, LQFP-52
文件頁數(shù): 77/93頁
文件大?。?/td> 1810K
代理商: M34559G6FP
CLRC663
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Preliminary data sheet
COMPANY PUBLIC
Rev. 3.1 — 26 September 2011
171131
84 of 126
NXP Semiconductors
CLRC663
Contactless reader IC
Note: When VDD(TVDD) < 5 V it is not recommended to use a residual carrier < 50 %
11.2.1 Overshoot protection
The CLRC663 provides an overshoot protection to avoid overshoots during a PCD
communication. Therefore two timer overshoot_t1 and overshoot_t2 can be used.
During the timer overshoot_t1 runs an amplitude defined by set_cw_amplitude bits is
provided to the output driver. Followed by an amplitude denoted by set_residual_carrier
bits with the duration of overshoot_t2.
687
7.0
786
7.5
885
8.1
984
8.7
10
83
9.3
11
82
9.9
12
81
10.5
13
80
11.1
14
79
11.7
15
78
12.4
16
77
13.0
17
76
13.6
18
75
14.3
19
74
14.9
20
72
16.3
21
70
17.6
22
68
19.0
23
65
21.2
24
60
25.0
25
55
29.0
26
50
33.3
27
45
37.9
28
40
42.9
29
35
48.1
30
53.8
31
25
60.0
Table 221. Settings for set_residual_carrier and corresponding residual carrier …continued
set_residual_carrier
Residual carrier [%]
Modulation index [%]
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