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參數(shù)資料
| 型號(hào)： | MK50H27Q25 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 1 CHANNEL(S), 51M bps, SERIAL COMM CONTROLLER, PQCC52 |
| 封裝： | PLASTIC, LCC-52 |
| 文件頁數(shù)： | 22/58頁 |
| 文件大?。?/td> | 621K |
| 代理商： | MK50H27Q25 |
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4.2.3 Protocol Parameters
PARM
DESCRIPTION
PO
PROTOCOL OPTIONS. Defines the SS7 protocol options to be used.
BIT
NAME
DEFINITION
00
DBUSY
DBUSY = 1: Disables busy mechanisms on both transmit and receive.
Missed MSU interrupts (CSR0<06>, MISS) are not affected by this bit.
01
XYEL
XYEL= 0: Transmitted SINs and SIEs conform to CCITT
Red/Blue Book definitions (SF = 1 and 2 respectively). XYEL= 1:
Transmitted SINs and SIEs conform to CCITT Yellow Book defini-
tions (SF = 9 & 10 respectively).
02
RYEL
RYEL= 0: Only CCITT Red/Blue Book definitions for received SINs
and SIEs are accepted.
RYEL= 1: Either CCITT Yellow or Red/Blue Book definitions for re-
ceived SINs and SIEs are accepted.
03
RMODE Defines the retransmission method to be used.
RMODE = 0: specifies Basic Error Recovery (BEC).
RMODE = 1: specifies Preventive Cyclic Redundancy(PCR).
04
BECDOUBLE Provides double transmission of all MSUs in BEC. All MSU’s
including those sent during negative acknowledgement are transmit-
ted twice. If RMODE= 0 then the following definitions apply:
BECDOUBLE = 0: specifies normal BEC.
BECDOUBLE = 1: specifies BEC with doubletransmission.
NOTE: BECDOUBLE must be 0 if RMODE = 1.
05
ERMEN Enables the AERM and SUERM error rate monitors.
ERMEN = 0: disables the AERM and SUERM.
ERMEN = 1: enables the AERM and SUERM.
06
OCTEN
Enables octet counting.
OCTEN = 0: disables octet counting.
OCTEN = 1: enables octet counting.
07
2/3EN
Enables 2/3 errored FIB/BSN error monitoring.
2/3EN = 0: disables 2/3 error monitoring.
2/3EN = 1: enables 2/3 error monitoring.
08
ANSIT6/T7
Selects ANSI or ITU compliance for SS7 T6 & T7 timers
ANSIT6/T7 =0: T6 & T7 timer operation complies with ITU Q.703
ANSIT6/T7 =1: T6 & T7 timer operation complies with ANSI T1.111.3
15-09
RESERVED Must be programmed with all zeroes.
15
0
IADR + 26
IADR + 28
IADR + 30
IADR + 32
IADR + 34
0
14
m
0
Tin
Tie
87
D
TM
87
PO
MK50H27
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