Serial Communications Overview
12-4
Am186™CC/CH/CU Microcontrollers User’s Manual
Figure 12-1
HDLC Control Application
Figure 12-2
POTS Linecard
UARTs
High-
Speed
UART
UART
External
Interface
HDLC Channels
Channel D
Channel C
Channel B
Channel A
Debug or
console
UART
Raw DCE
External
interface
D
Raw DCE
External
interface
C
Raw DCE
External
interface
B
Raw DCE
External
interface
A
CC
UARTs
High-
Speed
UART
UART
External
Interface
HDLC Channels
Channel D
Channel C
Channel B
Channel A
External interface D is
used for debug UART
External interfaces
B and C are used as
PIOS
External
interface A for
linecard control
TSA Channels
Channel D
Channel C
Channel B
Channel A
SSI
SSI to linecard
voice ICs
CC
Summary of Contents for Am186 CC
Page 1: ...Am186 CC CH CU Microcontrollers User s Manual Order 21914B...
Page 4: ...iv Am186 CC CH CU Microcontrollers User s Manual...
Page 18: ...Table of Contents xviii Am186 CC CH CU Microcontrollers User s Manual...
Page 24: ...Introduction xxiv Am186 CC CH CU Microcontrollers User s Manual...
Page 40: ...Architectural Overview 1 16 Am186 CC CH CU Microcontrollers User s Manual...
Page 86: ...System Overview 3 36 Am186 CC CH CU Microcontrollers User s Manual...
Page 92: ...Emulator Support 4 6 Am186 CC CH CU Microcontrollers User s Manual...
Page 112: ...DRAM Controller 6 8 Am186 CC CH CU Microcontrollers User s Manual...
Page 134: ...Interrupts 7 22 Am186 CC CH CU Microcontrollers User s Manual...
Page 186: ...Programmable I O Signals 9 8 Am186 CC CH CU Microcontrollers User s Manual...
Page 200: ...Watchdog Timer 11 6 Am186 CC CH CU Microcontrollers User s Manual...
Page 232: ...Asynchronous Serial Ports UARTs 13 24 Am186 CC CH CU Microcontrollers User s Manual...
Page 242: ...Synchronous Serial Port SSI 14 10 Am186 CC CH CU Microcontrollers User s Manual...
Page 264: ...High Level Data Link Control HDLC 15 22 Am186 CC CH CU Microcontrollers User s Manual...
Page 332: ...Universal Serial Bus USB 18 34 Am186 CC CH CU Microcontrollers User s Manual...
Page 348: ...Register Summary A 16 Am186 CC CH CU Microcontrollers User s Manual...
Page 376: ...Index Index 18 Am186 CC CH CU Microcontrollers User s Manual...