DS2196 Dallas Semiconducotr, DS2196 Datasheet - Page 36

• Manufacturer Part Number: DS2196
• Description: T1 Dual Framer LIU
• Manufacturer: Dallas Semiconducotr

Table 6-1: OUTPUT PIN TEST MODES
CCR1A: COMMON CONTROL REGISTER 1 FRAMER A (Address = 37 Hex)
TEST 1
TRAIM
(MSB)
SYMBOL
0
0
1
1
TRAIM
RSAO
RDS2
RDS1
RDS0
ODF
PLB
FLB
TEST 0 EFFECT ON OUTPUT PINS
0
1
0
1
ODF
operate normally
force all output pins into 3–state (including all I/O pins and
parallel port pins)
force all output pins low (including all I/O pins except parallel port
pins)
force all output pins high (including all I/O pins except parallel
port pins)
POSITION
CCR1A.7
CCR1A.6
CCR1A.5
CCR1A.4
CCR1A.3
CCR1A.2
CCR1A.1
CCR1A.0
RSAO
NAME AND DESCRIPTION
Transmit RAI Mode. Only used in ESF framing mode.
0 = normal RAI
1 = RAI-CI
Output Data Format.
0 = bipolar data at TPOSOA and TNEGOA
1 = NRZ data at TPOSOA; TNEGOA = TSYNCA delayed by
10 TCLKAs
Receive Signaling All 1’s.
0 = allow robbed signaling bits to appear at RSERA
1 = force all robbed signaling bits at RSERA to 1
Receive Data Source Bit 2 See Table 6–2.
Receive Data Source Bit 1 See Table 6–2.
Receive Data Source Bit 0 See Table 6–2.
Payload Loopback.
0 = loopback disabled
1 = loopback enabled
Framer Loopback.
0 = loopback disabled
1 = loopback enabled
RDS2
36 of 157
RDS1
RDS0
PLB
(LSB)
FLB
DS2196