Rainbow Electronics DS26519 - Manual (Page 155)

DS26519 16-Port T1/E1/J1 Transceiver
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Register Name: GPIORR1
Register Description: General-Purpose I/O Read Register 1
Register Address: 00FFh
Channels: 1 to 8
Bit
# 7 6 5 4 3 2 1 0
Name GPIO8 GPIO7 GPIO6 GPIO5 GPIO4 GPIO3 GPIO2 GPIO1
Default
0 0 0 0 0 0 0 0
Bits 7 to 0: General-Purpose I/O Status [8:1] (GPIO[8:1]). These bits reflect the input or output signal on the
eight general-purpose I/O pins.
Register Name: GPIORR2
Register Description: General-Purpose I/O Read Register 2
Register Address: 20FFh
Channels: 9 to 16
Bit
# 7 6 5 4 3 2 1 0
Name GPIO16 GPIO15 GPIO14 GPIO13 GPIO12 GPIO11 GPIO10 GPIO9
Default
0 0 0 0 0 0 0 0
Bits 7 to 0: General-Purpose I/O Status [16:9] (GPIO[16:9]). These bits reflect the input or output signal on the
eight general-purpose I/O pins.