System Overview
3-26
Am186™CC/CH/CU Microcontrollers User’s Manual
HDLC Channel B (PCM)
[PCM_RXD_B]
[DCE_RXD_B]
PIO36
STI
PCM Receive Data Channel B is the serial data input pin for
the channel B PCM Highway interface.
[PCM_TXD_B]
[DCE_TXD_B]
PIO37
O-
LS-
OD
PCM Transmit Data Channel B is the serial data output pin for
the channel B PCM Highway interface.
[PCM_CLK_B]
[DCE_RCLK_B]
PIO40
STI
PCM Clock is the single transmit and receive data clock pin for
the channel B PCM Highway interface.
[PCM_FSC_B]
[DCE_TCLK_B]
PIO41
STI
PCM Frame Synchronization Clock provides the Frame
Synchronization Clock input (usually 8 kHz) for the channel B
PCM Highway interface.
[PCM_TSC_B]
[DCE_CTS_B]
PIO38
OD
PCM Time Slot Control B enables an external buffer device
when channel B PCM Highway data is present on the
[PCM_TXD_B] output pin in PCM Highway mode.
HDLC Channel C (PCM)
[PCM_RXD_C]
[DCE_RXD_C]
PIO42
STI
PCM Receive Data Channel C is the serial data input pin for
the channel C PCM Highway interface.
[PCM_TXD_C]
[DCE_TXD_C]
PIO43
O-
LS-
OD
PCM Transmit Data Channel C is the serial data output pin for
the channel C PCM Highway interface.
[PCM_CLK_C]
[DCE_RCLK_C]
PIO22
B
PCM Clock: For PCM Highway operation, [PCM_CLK_C] is the
single transmit and receive data clock input pin for the channel
C PCM Highway interface. [PCM_CLK_C] becomes a clock
source output when the GCI to PCM Highway clock and frame
synchronization conversion are enabled.
[PCM_FSC_C]
[DCE_TCLK_C]
PIO23
B
PCM Frame Synchronization Clock: For PCM Highway
operation, [PCM_FSC_C] provides the Frame Synchronization
Clock input (usually 8 kHz) for the channel C PCM Highway
interface. [PCM_FSC_C] becomes a frame synchronization
source output when the GCI to PCM Highway clock and frame
synchronization conversion are enabled.
[PCM_TSC_C]
[DCE_CTS_C]
PIO44
OD
PCM Time Slot Control C enables an external buffer device
when channel C PCM Highway data is present on the
[PCM_TXD_C] output pin in PCM Highway mode.
HDLC Channel D (PCM)
[PCM_RXD_D]
[RXD_U] (UART)
DCE_RXD_D
PIO26
STI
PCM Receive Data Channel D is the serial data input pin for
the channel D PCM Highway interface.
[PCM_TXD_D]
[TXD_U] (UART)
[DCE_TXD_D]
PIO20
O-
LS-
OD
PCM Transmit Data Channel D is the serial data output pin for
the channel D PCM Highway interface.
[PCM_CLK_D]
[RTR_U] (UART)
DCE_RCLK_D
PIO25
STI
PCM Clock is the single transmit and receive data clock pin for
the channel D PCM Highway interface.
Table 3-7
Signal Descriptions (Continued)
Signal Name
1
Multiplexed
Signal(s)
Type Description
CC
CH
CC
CH
CC
CH
CC
CH
CC
CH
CC
CH
CC
CC
CC
CC
CC
CC
CC
CC
CC
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...