CX28398 Conexant Systems, CX28398 Datasheet - Page 295

• Manufacturer Part Number: CX28398
• Description: (CX28394 - CX28398) Quad/x16/Octal?T1/E1/J1 Framers
• Manufacturer: Conexant Systems

C.1.1 AT&T Concentration Highway Interface (CHI):
100054E
Appendix C
C.1 System Bus Compatibility
DX = RPCMO
DR = TPCMI
FS = TFSYNC
TSC* = RINDO
CLKXR = TSBCLKI = RSBCLKI
+ output on rising or falling edge of clock
+ output on every CLKXR or CLKXR/2
+ Tri-stated during inactive time slots
+ sampled on rising or falling edge of clock
+ sampled on every CLKXR or CLKXR/2 (see X2CLK mode)
+ sampled on rising or falling edge of clock (FE select)
+ rising edge determines frame start
+ 8 kHz rate
+ Optional CHI pin is driven low during active DX time slots
+ N x 64 kHz rates, where N = 4, 8, 16, 32, 48 or 64
Conexant
C
C-1