Service manual

54
YSP-500/HTY-750
YSP-500/HTY-750
33
34
35
36
*37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
VCC1
VSS
VSS
VCC2
P74
P73
P72
P71
P70
P67
P66
P65
P64
P63
P62
P61
P60
P137
P136
P135
P134
P57
P56
P55
P54
P133
P132
TA2OUT/
W/RTP20
TA1IN/V
TA1OUT/
V
TB5IN/
TA0IN/
RTP03
TA0OUT/
RTP02
RTP01
RTP00
CTS2/
RTS2/
SS2
TxD1/
SDA1/
SRxD1
RxD1/
SCL1/
STxD1
CLK1
CTS1/
RTS1/
SS1
TxD0/
SDA0/
SRxD0/
IrDAOUT
RxD0/
SCL0/
STxD0/
IrDAIN
CLK0
CTS0/
RTS0/
SS0
O
O
I/O
I/O
I/O
Tx
–
Rx
–
S-CLK
IO
S-OUT
S-IN
S-CLK
I
I
O
I
O
O
O
I
O
O
–
O
–
INPC11/
OUTC11/
ISCLK1
INPC10/
OUTC10/
ISTxD1
OUTC21/
ISCLK2
OUTC26
DIR CS
DIR RESET
Usually RS-232C asynchronous communication
data output
Data transmission terminal for AF220
Power supply +3.3V
Usually RS-232C asynchronous communication
data input
Data reception terminal for AF220
GND
Usually RS-232C asynchronous communication
RTS output
Clock input for AF220
Usually RS-232C asynchronous communication
CTS input
Busy output for AF220
Serial data output to DIR/TI (previous step)/D4SPJ
Serial data reception to DIR/TI (previous step)/
D4SPJ
Serial clock output to DIR/TI (previous step)/D4SPJ
D4SPJ/IRQ0-1
D4SPJ/CS-1 chip select
D4SPJ/IC
HDMI: HDMI interrupt (/INTH_RT)
*Connect to GND via resistor (for writing Flash)
D4SPJ/DISABLE
GND
TI-1 CS
Power supply +3.3V
*Pull-down required
*Pull-down required
(47 k-ohms)
Intelligent
I/O terminal
Analog
terminal
I/O
UART
terminal
Detail of function
Control
terminal
No.
Port
name
Interrupt
terminal
Timer
terminal