MFRC52301HN1,157 NXP Semiconductors, MFRC52301HN1,157 Datasheet - Page 42
MFRC52301HN1,157
Manufacturer Part Number
MFRC52301HN1,157
Description
IC READER 13.56MHZ 32-HVQFN
Manufacturer
NXP Semiconductors
Datasheet
1.MFRC52301HN1151.pdf
(97 pages)
Specifications of MFRC52301HN1,157
Frequency
13.56MHz
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Rf Type
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
935282956157
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NXP Semiconductors
MFRC523_34
Product data sheet
PUBLIC
9.2.1.12 ControlReg register
9.2.1.11 WaterLevelReg register
Defines the level for FIFO under- and overflow warning.
Table 42.
Table 43.
Miscellaneous control bits.
Table 44.
Table 45.
Bit
Symbol
Access
Bit
7 to 6
5 to 0
Bit
Symbol
Access
Bit
7
6
5 to 3 reserved
2 to 0 RxLastBits[2:0]
Symbol
TStopNow
TStartNow
Symbol
reserved
WaterLevel[5:0]
TStopNow TStartNow
WaterLevelReg register (address 0Bh); reset value: 08h bit allocation
WaterLevelReg register bit descriptions
ControlReg register (address 0Ch); reset value: 10h bit allocation
ControlReg register bit descriptions
7
W
7
reserved
All information provided in this document is subject to legal disclaimers.
-
Rev. 3.5 — 24 September 2010
6
1
-
Value Description
1
-
W
Description
reserved for future use
defines a warning level to indicate a FIFO buffer overflow or underflow:
Remark: to calculate values for HiAlert and LoAlert, see
Section 9.2.1.8 on page
6
Status1Reg register’s HiAlert bit is set to logic 1 if the remaining
number of bytes in the FIFO buffer space is equal to, or less than the
defined number of WaterLevel[5:0] bits
Status1Reg register’s LoAlert bit is set to logic 1 if equal to, or less
than the WaterLevel[5:0] bits in the FIFO buffer
115235
timer stops immediately
timer starts immediately. Reading this bit always returns it to 0
reserved for future use
indicates the number of valid bits in the last received byte. If this
value is zero, the whole byte is valid
5
5
reserved
4
4
-
40.
WaterLevel[5:0]
3
3
R/W
2
2
Contactless reader IC
RxLastBits[2:0]
MFRC523
© NXP B.V. 2010. All rights reserved.
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