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Table 3-1
Multiplexed Signal Trade-Offs (Continued)
Desired Function
Inter-
Signal
face
DCE_RXD_D
158
DCE_TXD_D
159
DCE
Channel
DCE_RCLK_D
156
D
DCE_TCLK_D
157
CC
DCE_CTS_D
DCE_RTR_D
PCM_RXD_A
118
PCM
PCM_TXD_A
119
Channel
PCM_CLK_A
117
A
PCM_FSC_A
116
CC CH
PCM_TSC_A
123
PCM_RXD_B
138
PCM
PCM_TXD_B
139
Channel
PCM_CLK_B
135
B
PCM_FSC_B
134
CC CH
PCM_TSC_B
137
PCM_RXD_C
153
PCM
PCM_TXD_C
154
Channel
PCM_CLK_C
150
C
PCM_FSC_C
149
CC
PCM_TSC_C
152
PCM_RXD_D
158
PCM
PCM_TXD_D
159
Channel
PCM_CLK_D
156
D
PCM_FSC_D
157
CC
PCM_TSC_D
RXD_U
158
Low-
TXD_U
159
Speed
RTR_U
156
UART
CTS_U
157
RXD_HU
High-
TXD_HU
Speed
RTR_HU
UART
CTS_HU
GCI_DD_A
118
GCI
Channel
GCI_DU_A
119
A
GCI_DCL_A
117
CC
GCI_FSC_A
116
GCI to
PCM_CLK_C
150
PCM
Con-
PCM_FSC_C
149
version
CC
3-2
System Overview
Unavailable Functions
Inter-
Pin
Signal
face
PCM_RXD_D
PCM_TXD_D
PCM
Channel
PCM_CLK_D
D
PCM_FSC_D
CC
24
PCM_TSC_D
23
—
DCE_RXD_A
DCE
DCE_TXD_A
Channel
DCE_RCLK_A
A
DCE_TCLK_A
CC CH
DCE_CTS_A
DCE_RXD_B
DCE
DCE_TXD_B
Channel
DCE_RCLK_B
B
DCE_TCLK_B
CC CH
DCE_CTS_B
DCE_RXD_C
DCE
DCE_TXD_C
Channel
DCE_RCLK_C
C
DCE_TCLK_C
CC
DCE_CTS_C
DCE_RXD_D
DCE
DCE_TXD_D
Channel
DCE_RCLK_D
D
DCE_TCLK_D
CC
24
DCE_CTS_D
DCE_RXD_D
DCE
Channel
DCE_TXD_D
D
DCE_RCLK_D
CC
DCE_TCLK_D
25
—
DCE
Channel
26
—
D
23
DCE_RTR_D
CC
24
DCE_CTS_D
DCE_RXD_A
DCE
Channel
DCE_TXD_A
A
DCE_RCLK_A
CC CH
DCE_TCLK_A
DCE_RCLK_C
DCE
Channel
C
DCE_TCLK_C
CC
Am186™CC/CH/CU Microcontrollers User's Manual
Inter-
Inter-
Signal
face
face
RXD_U
High-
TXD_U
Low-
Speed
RTR_U
Speed
UART
CTS_U
UART
(Flow
—
Control)
—
—
—
GCI
—
—
Channel
—
—
A
—
—
CC
—
—
—
—
—
—
—
—
—
—
—
—
—
—
GCI to
—
—
PCM
Con-
—
—
version
—
—
CC
—
—
RXD_U
TXD_U
Low-
High-
Speed
RTR_U
Speed
UART
UART
CTS_U
—
PCM_RXD_D
PCM
Channel
PCM_TXD_D
D
PCM_CLK_D
CC
PCM_FSC_D
—
PCM
Channel
—
D
—
CC
PCM_TSC_D
PCM_RXD_A
PCM
Channel
PCM_TXD_A
A
PCM_CLK_A
CC CH
PCM_FSC_A
PCM_CLK_C
PCM
Channel
C
PCM_FSC_C
CC
Inter-
Signal
face
PIO
CTS_HU
RTR_HU
GCI_DD_A
GCI_DU_A
GCI_DCL_A
PIO
GCI_FSC_A
—
—
—
—
—
—
—
PIO
—
—
—
—
—
—
PCM_CLK_C
PIO
PCM_FSC_C
—
—
—
—
PIO
—
CTS_HU
—
—
—
—
PIO
—
—
—
—
—
—
—
—
PIO
—
—
—
—
—
—
—
—
PIO
—
—
—
—
—
—
PIO
—
—
Signal
PIO26
PIO20
PIO25
PIO24
PIO46
PIO47
—
—
—
—
PIO17
PIO36
PIO37
PIO40
PIO41
PIO38
PIO42
PIO43
PIO22
PIO23
PIO44
PIO26
PIO20
PIO25
PIO24
PIO46
PIO26
PIO20
PIO25
PIO24
PIO16
—
PIO47
PIO46
—
—
—
—
PIO22
PIO23
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