UPD98405 Datasheet, PDF (52/64 Pages) NEC – 155M ATM INTEGRATED SAR CONTROLLER

UTOPIA interface (2)
Reception timing
RCLK
tSRX
tHRX
Rx7-Rx0
H1
H2
H3
Invalid
H4
H5
P1
P2
Invalid
P3
P4
P5
P6
P7
RSOC
RENBL_B
tSRSOC
tHRSOC
EMPTY_B
H1-H4: ATM header
P1-P7: Payload data
tSEMPT
tHEMPT
tDREN
tDREN