Owner manual

DS2182A
041995 13/22
RCR2: RECEIVE CONTROL REGISTER 2 Figure 13
(MSB) (LSB)
– – BVCRF FM SFYEL B8ZS – –
SYMBOL POSITION NAME AND DESCRIPTION
- RCR2.7 Reserved; must be 0 for proper operation.
- RCR2.6 Reserved; must be 0 for proper operation.
BVCRF RCR2.5 Bipolar Violation Count Register Function Select.
0 = do not count excessive zeros
1 = count excessive zeros
FM RCR2.4 Frame Mode.
1 = Extended Superframe (193E, 24 frames per Superframe).
0 = Superframe (193S or D4, 12 frames per Superframe).
SFYEL RCR2.3 SF Yellow Mode Select.
1 = 1 in the S-bit position of frame 12.
0 = 0 in bit 2 of all channels.
B8ZS RCR2.2 Bipolar Eight Zero Substitution.
1 = B8ZS enabled.
0 = B8ZS disabled.
- RCR2.1 Reserved; must be 0 for proper operation.
- RCR2.0 Reserved; must be 0 for proper operation.
193S RECEIVE MULTIFRAME TIMING Figure 14
12345678910111212345
BABA
FRAME#
RFSYNC
RMSYNC
RSIGSEL
RSIGFR
RLCLK
RABCD
RLINK
NOTES:
1. Signaling data is updated during signaling frames on channel boundaries. Pin RABCD is the LSB of each
channel word in non-signaling frames.
2. RLINK data (S-bit) is updated one bit-time prior to S-bit frames and held for two frames.