參數(shù)資料
型號(hào)： 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)： 62/93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
70 of 126
NXP Semiconductors
CLRC663
Contactless reader IC
The selectable transfer speeds as shown in Table 213 “Selectable transfer speeds” are
calculated according to the following formulas:
if BR_T0 = 0: transfer speed = 27.12 MHz/(BR_T1 +1)
if BR_T0 > 0: transfer speed = 27.12 MHz/(BR_T1 +33)/2(BR_T0 1)
Remark: Transfer speeds above 1228.8 k are not supported.
10.3.2 Framing
Remark: For data and address bytes the LSB bit has to be sent first. No parity bit is used
during transmission.
Read data: To read out data using the UART interface the flow described below has to be
used. The first send byte defines both the mode itself and the address.
Remark: Note: The Trigger on IF3 pin has to be set, otherwise no “read data” is possible
38.4 k
171
ABh
0.32
57.6 k
154
9Ah
0.25
115.2 k
122
7Ah
0.25
128 k
116
74h
0.06
230.4 k
90
5Ah
0.25
460.8 k
58
3Ah
0.25
921.6 k
28
1Ch
1.45
1228.8 k
21
15h
0.32
Table 213: Selectable transfer speeds
Transfer speed (kbit/s)
Serial SpeedReg
Transfer speed accuracy (%)
decimal
hexadecimal
Table 214: UART Framing
Length
Value
Start bit
1 bit
0
Data bits
8 bit
Data
Stop bit
1 bit
1
Table 215: Byte Order to Read Data
byte 0
byte 1
RX
address
TX
data 0
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