參數(shù)資料
型號(hào)： 935262056518
廠商： NXP SEMICONDUCTORS
元件分類： 尋呼電路
英文描述： TELECOM, PAGING DECODER, PQFP32
封裝： 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, SOT-358-1, LQFP-32
文件頁數(shù)： 43/76頁
文件大?。?/td> 301K
代理商： 935262056518
1999 Apr 12
48
Philips Semiconductors
Product specication
FLEX
roaming decoder II
PCD5013
K: 10-bit fragment checksum (Tables 53 and 54).
See Section 8.8.7 for a description of message checksum.
C: 1-bit message continued flag (Tables 53 and 54).
When this bit is set, fragments of this message are to be
expected in following frames. See Section 8.8.6 for a
description of message fragmentation.
F: 2-bit message fragment number (Tables 53 and 54).
This is a modulo 3 message fragment number which is
incremented by 1 in successive message fragments.
See Section 8.8.6 for a description of message
fragmentation.
N: message number (Tables 53 and 54).
See Section 8.8.8 for a description of message
numbering.
M: 1-bit mail drop flag (Table 53). When this bit is set, it
indicates the message is to be stored in a special area in
memory and is written over existing data automatically in
that memory space.
R: message retrieval flag (Table 53). When this bit is set,
the pager expects this message to be numbered.
See Section 8.8.8 for a description of message
numbering.
S: 7-bit signature field (Table 53). The signature is defined
to be the 1’s complement of the binary sum over the total
message (all fragments). 7 bits at a time are taken (on
alpha character boundary) starting with the first 7 bits
directly following the signature field, a6a5a4a3a2a1a0,
b6b5b4b3b2b1b0, etc. The 7 LSBs of the result are
transmitted as the message signature.
U, V: fragmentation control bits (Table 54). This field exists
in all fragments except the first fragment. It is used to
support character position tracking in each fragment when
symbolic characters (character made up of 1, 2 or 3
ASCII characters) are transmitted using the alphanumeric
message type. The default value is 0,0.
See Section 8.8.6.1 for a description of fragment control.
Table 53 Vector type V = 101 rst fragment
Table 54 Vector type V = 101 other fragments
MESSAGE
WORD
i0
i1
i2
i3
i4
i5
i6
i7
i8
i9
i10
i11
i12
i13
i14
i15
i16
i17
i18
i19
i20
1st
K0
K1
K2
K3
K4
K5
K6
K7
K8
K9
C0
F0
F1
N0
N1
N2
N3
N4
N5
R0 M0
2nd
S0
S1
S2
S3
S4
S5
S6
a0
a1
a2
a3
a4
a5
a6
b0
b1
b2
b3
b4
b5
b6
3rd
c0
c1
c2
c3
c4
c5
c6
d0
d1
d2
d3
d4
d5
d6
e0
e1
e2
e3
e4
e5
e6
4th
f0
f1
f2
f3
f4
f5
f6
g0
g1
g2
g3
g4
g5
g6
h0
h1
h2
h3
h4
h5
h6
5th
i0
i1
i2
i3
i4
i5
i6
j0
j1
j2
j3
j4
j5
j6
k0
k1
k2
k3
k4
k5
k6
...
nth
iiiiiiiiii
i
iiiiiiiiii
MESSAGE
WORD
i0
i1
i2
i3
i4
i5
i6
i7
i8
i9
i10
i11
i12
i13
i14
i15
i16
i17
i18
i19
i20
1st
K0
K1
K2
K3
K4
K5
K6
K7
K8
K9
C0
F0
F1
N0
N1
N2
N3
N4
N5
U0
V0
2nd
a0
a1
a2
a3
a4
a5
a6
b0
b1
b2
b3
b4
b5
b6
c0
c1
c2
c3
c4
c5
c6
3rd
d0
d1
d2
d3
d4
d5
d6
e0
e1
e2
e3
e4
e5
e6
f0
f1
f2
f3
f4
f5
f6
4th
g0
g1
g2
g3
g4
g5
g6
h0
h1
h2
h3
h4
h5
h6
i0
i1
i2
i3
i4
i5
i6
5th
j0
j1
j2
j3
j4
j5
j6
k0
k1
k2
k3
k4
k5
k6
l0
l1
l2
l3
l4
l5
l6
...
nth
iiiiiiiiii
i
iiiiiiiiii
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