DM385, DM388
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SPRS821D –MARCH 2013–REVISED DECEMBER 2013
3.3.22 UART
3.3.22.1 UART0
Table 3-47. UART0 Terminal Functions
SIGNAL NAME [1]
DESCRIPTION [2]
TYPE [3]
AAR BALL [4]
D30
UART0_CTS
UART0 Clear to Send Input. Functions as SD transceiver I/O
control output in IrDA and CIR modes.
UART0_DCD
UART0_DSR
UART0_DTR
UART0_RIN
UART0_RTS
UART0 Data Carrier Detect Input
UART0 Data Set Ready Input
UART0 Data Terminal Ready Output
UART0 Ring Indicator Input
I
E31
E29
E30
N26
D31
I
O
I
UART0 Request to Send Output. Indicates module is
ready to receive data. Functions as transmit data output
in IrDA modes.
O
UART0_RXD
UART0_TXD
UART0 Receive Data Input. Functions as IrDA receive
input in IrDA modes and CIR receive input in CIR mode.
I
J26
UART0 Transmit Data Output. Functions as CIR transmit
output in CIR mode.
O
E28
3.3.22.2 UART1
Table 3-48. UART1 Terminal Functions
SIGNAL NAME [1]
DESCRIPTION [2]
TYPE [3]
AAR BALL [4]
UART1_CTS
UART1 Clear to Send Input. Functions as SD transceiver I/O
control output in IrDA and CIR modes.
AG8
UART1_RTS
UART1 Request to Send Output. Indicates module is
ready to receive data. Functions as transmit data output
in IrDA modes.
O
AF8
UART1_RXD
UART1_TXD
UART1 Receive Data Input. Functions as IrDA receive
input in IrDA modes and CIR receive input in CIR mode.
(N26:MUX0, AJ8:MUX1)
I
AJ8, N26
AH8, E30
UART1 Transmit Data Output. Functions as CIR transmit
output in CIR mode. (E30:MUX0, AH8:MUX1)
O
3.3.22.3 UART2
Table 3-49. UART2 Terminal Functions
SIGNAL NAME [1]
DESCRIPTION [2]
TYPE [3]
AAR BALL [4]
UART2_CTS
UART2 Clear to Send Input. Functions as SD transceiver I/O
control output in IrDA and CIR modes.
J10
B3
UART2_RTS
UART2 Request to Send Output. Indicates module is
ready to receive data. Functions as transmit data output
in IrDA modes.
O
UART2_RXD
UART2_TXD
UART2 Receive Data Input. Functions as IrDA receive
input in IrDA modes and CIR receive input in CIR mode.
(D5:MUX0, L22:MUX1, AE3:MUX3)
I
AE3, D5, L22
AE2, H9, M21
UART2 Transmit Data Output. Functions as CIR transmit
output in CIR mode. (H9:MUX0, M21:MUX1, AE2:MUX3)
O
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