— 84 —
I
O
O
O
O
O
O
O
O
O
O
–
O
–
O
I/O
I
I
I
O
I
I/O
I
I
O
External data bus hold input (Fixed to “H”)
External data bus hold output
Internal clock output (4.3 MHz)
External data bus read request output
External data bus odd address write request output
External data bus even address write request output
Chip select output for the external data bus I/O expander M66500FP (IC304, 306)
Chip select output for the external data bus external SRAM (IC303, 312)
Chip select output for the external data bus flash memory AT29C1024 (IC302)
Chip select output for the external data bus RS232C M66230FP (IC313)
External data bus address output
Power supply (+5V)
External data bus address output
Ground (0V)
External data bus address output
External data bus address input/output
Key input
Jog input
SENS status input from the CXD2535CR
Clock output for the non-volatile ROM
Analog ground input for the A/D conversion circuit (0V)
Data input/output for the non-volatile ROM
Reference voltage input for the A/D conversion circuit (+5V)
Analog power supply input for the A/D conversion circuit (+5V)
Laser light power request output for the CXD2535CR
41
42
43
44
45
46
47
48
49
50
51 to 61
62
63
64
65 to 72
73 to 88
89 to 91
92, 93
94
95
96
97
98
99
100
XHOLD
XHLDA
BCLK
XRD
XWRH
XWRL
XCS3
XCS2
XCS1
XCS0
A19 to A9
VCC
A8
GND
A7 to A0
D15 to D0
KEY0 to KEEY2
JOG0, JOG1
SENS
SCL
AGND
SDA
VREF
AVCC
WRPWR
Pin No.
Pin Name
I/O
Function
Содержание MDS-B6P
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