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)： 47/76頁
文件大小： 301K
代理商： 935262056518
1999 Apr 12
51
Philips Semiconductors
Product specication
FLEX
roaming decoder II
PCD5013
8.7.9
BLOCK INFORMATION WORD PACKET (ID = 00H)
The FLEX
protocol allows systems to transmit time
information using block information words. The information
carried in a BIW depends on the BIW word format
(Table 58). The first BIW of each phase, carrying
information about the frame structure, is used internally by
the PCD5013 and is never transmitted to the host with the
exception of the system collapse which is sent to the host
when the PCD5013 is in manual collapse mode.
The PCD5013 can be configured to send all time and date
BIWs (BIW001, BIW010 and BIW101) to the host by
setting the SBI bit in the control packet, see Section 8.4.7.
All block information words 2-4 can be optionally sent to
the host by setting the ABI bit in the roaming control
packet. When the SBI or ABI bit is set and a BIW is
received with an uncorrectable number of bit errors, the
PCD5013 sends the BIW to the host indicating that the
codeword was received in error (regardless of the BIW
word format). The PCD5013 does not support decoding of
vector and message words associated with the
data/system message BIW101.
System providers supporting local time transmissions are
required to transmit at least one time related BIW in each
phase transmitted in frame 0, cycle 0. The time
transmitted is the local time for the transmitted time zone
and refers to the actual time at the leading edge of the first
bit of sync 1 of frame 0 of the current cycle. See Tables 58,
59, and 60 and the following bit definitions of the time
related BIWs.
e: error (Table 58). Set if more than 2-bit errors are
detected in the word or if the check character calculation
fails after error correction has been performed.
p: phase (Table 58), is the phase on which the BIW was
found (0 = A,1=B,2=Cand3=D).
x: unused bits (Table 58). Their value is not guaranteed.
f: word format type (Table 58). The value of these bits
modify the meaning of the s bits in this packet as described
in Table 59.
s: BIW information bits (Table 58). The definition of these
bits depend on the f bits in this packet.
Table 58 BIW packet bit assignments
Table 59 BIW denitions
Notes
1. Decoded only if ABI bit is set.
2. Decoded only if SBI or ABI bit is set.
BYTE
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
3
00000000
2e
p1
p0
xx
f2
f1
f0
1x
x
s13
s12
s11
s10
s9
s8
0s7
s6
s5
s4
s3
s2
s1
s0
f2
f1
f0
s13 s12 s11 s10
s9
s8
s7
s6
s5
s4
s3
s2
s1
s0
DESCRIPTION
000
i8
i7
i6
i5
i4
i3
i2
i1
i0
C4
C3
C2
C1
C0 Local ID, Coverage Zone(1)
001
m3 m2 m1 m0
d4
d3
d2
d1
d0
Y4
Y3
Y2
Y1
Y0 month/day/year(2)
010
S2
S1
S0
M5 M4 M3 M2 M1 M0
H4
H3
H2
H1
H0 second/minute/hour(2)
0
1
Reserved by FLEX
protocol for future use (1)
1
0
Reserved by FLEX
protocol for future use (1)
101
z9
z8
z7
z6
z5
z4
z3
z2
z1
z0
0
1
0
X
system message; (2)
1
0
Reserved by FLEX
protocol for future use (1)
111
c8
c7
c6
c5
c4
c3
c2
c1
c0
T4
T3
T2
T1
T0 Country Code, Trafc
Management Flags(1)
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