High-Level Data Link Control (HDLC)
15-4
Am186™CC/CH/CU Microcontrollers User’s Manual
15.3
SYSTEM DESIGN
Table 15-1 lists the HDLC/TSA/GCI signals that are multiplexed with other microcontroller
functions. Pinstraps are sampled only at external reset and do not affect the pin’s other
functions, so they are not shown in this table. Other multiplexed signals, when enabled,
either disable or alter any other functions that use the same pin.
Table 15-1
HDLC/TSA/GCI Multiplexed Signals
Multiplexed Signals
Function
Default
Signal
Ch
External Interface
PIOs
DCE
PCM
GCI
UART
A
DCE_RXD_A
PCM_RXD_A
GCI_DD_A
—
—
DCE and PCM data input/
GCI downstream pin
DCE_RXD_A
DCE_TXD_A
PCM_TXD_A
GCI_DU_A
—
—
DCE and PCM data output/
GCI upstream pin
DCE_TXD_A
DCE_RCLK_A
PCM_CLK_A
GCI_DCL_A
—
—
DCE receive clock/PCM
receive and transmit clock/GCI
receive and transmit clock
DCE_RCLK_A
DCE_TCLK_A
PCM_FSC_A
GCI_FSC_A
—
—
DCE transmit clock/PCM frame
sync clock/GCI frame sync
clock
DCE_TCLK_A
DCE_CTS_A
PCM_TSC_A
—
—
PIO17
DCE clear to send/PCM
external buffer enable
PIO17
DCE_RTR_A
—
—
—
PIO18 DCE ready to receive
PIO18
B
DCE_RXD_B
PCM_RXD_B
—
—
PIO36 DCE and PCM data input pin
PIO36
DCE_TXD_B
PCM_TXD_B
—
—
PIO37 DCE and PCM data output pin
PIO37
DCE_RCLK_B
PCM_CLK_B
—
—
PIO40
DCE receive clock/PCM
receive and transmit clock
PIO40
DCE_TCLK_B
PCM_FSC_B
—
—
PIO41
DCE transmit clock/PCM frame
sync clock
PIO41
DCE_CTS_B
PCM_TSC_B
—
—
PIO38
DCE clear to send/PCM
external buffer enable
PIO38
DCE_RTR_B
—
—
—
PIO39 DCE ready to receive
PIO39
C
DCE_RXD_C
PCM_RXD_C
—
—
PIO42 DCE and PCM data input pin
PIO42
DCE_TXD_C
PCM_TXD_C
—
—
PIO43 DCE and PCM data output pin
PIO43
DCE_RCLK_C
PCM_CLK_C
PCM_CLK_C
—
PIO22
DCE receive clock/PCM
receive and transmit clock
input/GCI-to-PCM conversion
clock output
PIO22
DCE_TCLK_C
PCM_FSC_C
PCM_FSC_C
—
PIO23
DCE transmit clock/PCM frame
sync clock input/GCI-to-PCM
conversion frame sync output
PIO23
DCE_CTS_C
PCM_TSC_C
—
—
PIO44
DCE clear to send/PCM
external buffer enable
PIO44
DCE_RTR_C
—
—
—
PIO45 DCE ready to receive
PIO45
CC
CC
Содержание Am186 CC
Страница 1: ...Am186 CC CH CU Microcontrollers User s Manual Order 21914B...
Страница 4: ...iv Am186 CC CH CU Microcontrollers User s Manual...
Страница 18: ...Table of Contents xviii Am186 CC CH CU Microcontrollers User s Manual...
Страница 24: ...Introduction xxiv Am186 CC CH CU Microcontrollers User s Manual...
Страница 39: ...Architectural Overview Am186 CC CH CU Microcontrollers User s Manual 1 15 Figure 1 6 32 Channel Linecard CH CC...
Страница 40: ...Architectural Overview 1 16 Am186 CC CH CU Microcontrollers User s Manual...
Страница 86: ...System Overview 3 36 Am186 CC CH CU Microcontrollers User s Manual...
Страница 92: ...Emulator Support 4 6 Am186 CC CH CU Microcontrollers User s Manual...
Страница 112: ...DRAM Controller 6 8 Am186 CC CH CU Microcontrollers User s Manual...
Страница 134: ...Interrupts 7 22 Am186 CC CH CU Microcontrollers User s Manual...
Страница 186: ...Programmable I O Signals 9 8 Am186 CC CH CU Microcontrollers User s Manual...
Страница 200: ...Watchdog Timer 11 6 Am186 CC CH CU Microcontrollers User s Manual...
Страница 232: ...Asynchronous Serial Ports UARTs 13 24 Am186 CC CH CU Microcontrollers User s Manual...
Страница 242: ...Synchronous Serial Port SSI 14 10 Am186 CC CH CU Microcontrollers User s Manual...
Страница 264: ...High Level Data Link Control HDLC 15 22 Am186 CC CH CU Microcontrollers User s Manual...
Страница 332: ...Universal Serial Bus USB 18 34 Am186 CC CH CU Microcontrollers User s Manual...
Страница 348: ...Register Summary A 16 Am186 CC CH CU Microcontrollers User s Manual...
Страница 376: ...Index Index 18 Am186 CC CH CU Microcontrollers User s Manual...