52
RCD-W1
51
HOT_TX
O
Not used
52
HOT_RX
I
Not used
53
XTOR
I
XTOR signal input from CXA2551R
54
TSTMD1
I
Servo flag input
55
AS_STRT
I
Test mode 1 (Not used)
56
FLAGB(RFZC)
I
Servo flag input
57
VSS
—
Ground
58
SRDY
I
OAK data ready
59
AGCON
O
AGC on signal output to CXA2551R
60
ROPCON
O
ROPC related CPLD signal output
61
SDATAI
I
Serial data input from EEPROM
62
/STBY
I
Not used (connected to VCC)
63
/RESET
I
Reset signal input
64
NMI
I
Non maskable interrupt (connected to ground )
65
VSS
—
Ground
66
EXTAL
I
Crystal oscillator input (20MHz)
67
XTAL
O
Crystal oscillator output (20MHz)
68
VCC
O
Power supply
69
/AS
O
Not used
70
/URD
O
µ
-COM data read signal output
71
/UHWR
O
µ
-COM data write signal output
72
/ULWR
O
Not used
73
MD0 (1)
I
Mode select input
74
MD1 (0)
I
Mode select input
75
MD2 (1)
I
Mode select input
76
AVCC
I
Power supply
77
VREF (4V)
I
VREF input (+4V)
78
ASYM1/LVL0
I
RF hold data input
79
ASYM2/LVL1
I
RF hold data input
80
BETA/JITTER
O
Not used
81
MPXO
I
Multiplexed output from CXA2551R
82
HALL/SLDOUT
I
AD signal for sled control
83
ADC5
I
Not used
84
ADC0
O
Not used
85
SLDMOVE
O
Sled kick level output
86
AVSS
—
Ground
87
ESFS
I
Encoding subframe FS signal input from OTI-9790
88
/UINT0
I
Interrupt signal input from OTI-9790
89
/UINT1
I
Interrupt signal input from OTI-9790
90
ADTRIG
I
AD trig signal input from XC9536
91
CS0/P84
O
Not used
92
VSS
—
Ground
93
FLAGA (TEZC)
I
Servo flag input
94
SBRK
O
Short brake for spindle control
95
SPNFG
I
Spindle FG signal input
96
OPCING
O
Opcing signal output
97
SLDFG
I
Sled FG signal input
98
SPNON
O
Spindle ON signal output
99
SPN8/12
O
Spindle 8/12 detect signal output
100
SPNBOOST
O
Spindle boost signal output
Pin No.
Pin Name
I/O
Description
