
DS2155
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Register Name:
RSCSE1, RSCSE2, RSCSE3, RSCSE4
Register Description:
Receive Signaling Change-of-State Interrupt Enable
Register Address:
3Ch, 3Dh, 3Eh, 3Fh
(MSB)
(LSB)
CH8
CH7
CH6
CH5
CH4
CH3
CH2
CH1
RSCSE1
CH16
CH15
CH14
CH13
CH12
CH11
CH10
CH9
RSCSE2
CH24
CH23
CH22
CH21
CH20
CH19
CH18
CH17
RSCSE3
CH30
CH29
CH28
CH27
CH26
CH25
RSCSE4
Setting any of the CH1–CH30 bits in the RSCSE1–RSCSE4 registers causes an interrupt when that channel’s
signaling data changes state.
Register Name:
RSINFO1, RSINFO2, RSINFO3, RSINFO4
Register Description:
Receive Signaling Change-of-State Information
Register Address:
38h, 39h, 3Ah, 3Bh
(MSB)
(LSB)
CH8
CH7
CH6
CH5
CH4
CH3
CH2
CH1
RSINFO1
CH16
CH15
CH14
CH13
CH12
CH11
CH10
CH9
RSINFO2
CH24
CH23
CH22
CH21
CH20
CH19
CH18
CH17
RSINFO3
CH30
CH29
CH28
CH27
CH26
CH25
RSINFO4
When a channel’s signaling data changes state, the respective bit in registers RSINFO1–4 is set. An interrupt is
generated if the channel was also enabled as an interrupt source by setting the appropriate bit in RSCSE1–4. The
bit remains set until read.