5-3
Pin No.
Pin name
Type
Function
59
IOCS#
Inout
Flash chip select, active low / 10
2~16MA, SR
PU, SMT
60
DVSS
Ground
Ground pin for internal digital circuitry
61
UP1_2
Inout
Microcontroller port 1-2
4MA, SR
PU, SMT
62
UP1_3
Inout
Microcontroller port 1-3
4MA, SR
PU, SMT
63
UP1_4
Inout
Microcontroller port 1-4
4MA, SR
PU, SMT
64
UP1_5
Inout
Microcontroller port 1-5
4MA, SR
PU, SMT
65
UP1_6
Inout
Microcontroller port 1-6
4MA, SR
PU, SMT
66
DVDD3
Power
3.3V power pin for internal digital circuitry
67
UP1_7
Inout
Microcontroller port 1-7
4MA, SR
PU, SMT
68
UP3_0
Inout
Microcontroller port 3-0
4MA, SR
PU, SMT
69
UP3_1
Inout
Microcontroller port 3-1
4MA, SR
PU, SMT
70
INT0#
Inout
Microcontroller interrupt 0, active low
2~16MA, SR
PU, SMT
71
IR
Input
IR control signal input
SMT
72
DVDD2
Power
2.5V power pin for internal digital circuitry
73
UP3_4
Inout
Microcontroller port 3-4
74
UP3_5
Inout
Microcontroller port 3-5
75
UWR#
Inout
Microcontroller write strobe, active low
2~16MA, SR
PU, SMT
76
URD#
Inout
Microcontroller read strobe, active low
2~16MA, SR
PU, SMT
77
DVSS
Ground
Ground pin for internal digital circuitry
78
RD7
Inout
DRAM data 7
79
RD6
Inout
DRAM data 6
80
RD5
Inout
DRAM data 5
81
RD4
Inout
DRAM data 4
82
DVDD2
Power
2.5V power pin for internal digital circuitry
83
RD3
Inout
DRAM data 3
84
RD2
Inout
DRAM data 2
85
RD1
Inout
DRAM data 1
86
RD0
Inout
DRAM data 0
87
RWE#
Output
DRAM Write enable, active low
2~16MA, SR
88
CAS#
Output
DRAM columnaddress strobe, active low
2~16MA, SR
89
RAS#
Output
DRAM row address strobe, active low
2~16MA, SR