Onkyo TX-SR875 Service Manual page 74

IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -20
A
Q3401: D790E001BZDH275/D710E001BZDH275 (Audio DSP)
TERMINAL DESCRIPTION(4/5)
SIGNAL NAME
UHPI_HD[0]
UHPI_HD[1]
UHPI_HD[2]
UHPI_HD[3]
UHPI_HD[4]
UHPI_HD[5]
UHPI_HD[6]
UHPI_HD[7]
UHPI_HD[8]
UHPI_HD[9]
UHPI_HD[10]
UHPI_HD[11]
UHPI_HD[12]
UHPI_HD[13]
UHPI_HD[14]
UHPI_HD[15]
UHPI_HD[16]/HHWIL
UHPI_HD[17]
UHPI_HD[18]
UHPI_HD[19]
UHPI_HD[20]
UHPI_HD[21]
UHPI_HD[22]
UHPI_HD[23]
UHPI_HD[24]
UHPI_HD[25]
UHPI_HD[26]
UHPI_HD[27]
UHPI_HD[28]
UHPI_HD[29]
UHPI_HD[30]
UHPI_HD[31]
UHPI_HBE[0]
UHPI_HBE[1]
UHPI_HBE[2]
UHPI_HBE[3]
UHPI_HCNTL[0]
UHPI_HCNTL[1]
UHPI_HAS
UHPI_HRW
UHPI_HDS[1]
UHPI_HDS[2]
UHPI_HCS
UHPI_HRDY
BALL
(1) (2)
TYPE PULL
NO.
Universal Host-Port Interface (UHPI) Data and Control
K13 IO IPD
K14 IO IPD
M14 IO IPD
L13 IO IPD
L14 IO IPD
N13 IO IPD
N14 IO IPD
P14 IO IPD
E14 IO IPD
F14 IO IPD
F13 IO IPD
G14 IO IPD
G13 IO IPD
H14 IO IPD
H13 IO IPD
J13 IO IPD
H1 IO/I IPD
G3 IO IPD
G4 IO IPD
F3 IO IPD
F4 IO IPD
E3 IO IPD
D3 IO IPD
C3 IO IPD
P2 IO IPD
N2 IO IPD
N3 IO IPD
M3 IO IPD
L3 IO IPD
L4 IO IPD
L2 IO IPD
H4 IO IPD
Universal Host-Port Interface (UHPI) Control
C6 I IPD
C5 I IPD
C4 I IPD
B2 I IPD
D9 I IPD
C10 I IPD
C9 I IPD
D8 I IPD
D7 I IPU
C7 I IPU
C8 I IPU
D6 O IPD
(3)
GPIO
Y
Y
Y
Y
Y
Y
Y
Y
UHPI Data Bus [Lower 16 Bits]
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
UHPI Data Bus [Upper 16 Bits (IO)] in the following modes:
Y
• Fullword Multiplexed Address and Data
Y
• Fullword Non-Multiplexed
Y
UHPI_HHWIL (I) on pin UHPI_HD[16]/HHWIL and GPIO on
Y
other pins in the following mode:
Y • Half-word Multiplexed Address and Data
In this mode, UHPI_HHWIL indicates whether the high or
Y
low half-word is being addressed.
Y
Y
Y
Y
Y
Y UHPI Byte Enable for UHPI_HD[7:0]
Y UHPI Byte Enable for UHPI_HD[15:8]
Y UHPI Byte Enable for UHPI_HD[23:16]
Y UHPI Byte Enable for UHPI_HD[31:24]
Y
UHPI Control Inputs Select Access Mode
Y
UHPI Host Address Strobe for Hosts with Multiplexed
Y
Address/Data bus
Y UHPI Read/not Write Input
Y
UHPI Select Signals which create the internal HSTROBE
active when:
Y
(UHPI_HCS == '0') & (UHPI_HDS[1] != UHPI_HDS[2])
Y
Y UHPI Ready Output
TX-SR875
DESCRIPTION