55
APLLVDD3
Power
3.3V Power pin for audio clock circuitry
56
ALE
Inout 2-16MA,
SR PU, SMT
Microcontroller address latch enable
57
IOOE#
Inout 2-16MA,
SR SMT
Flash output enable, active low / IO
58
IOWR#
Inout 2-16MA,
SR SMT
Flash write enable, active low / IO
59
IOCS#
Inout 2-16MA,
SR PU, SMT
Flash chip select, active low / IO
60
DVSS
Ground
Ground pin for internal digital circuitry
61
UP1_2
Inout 4MA,
SR PU,
SMT
Microcontroller port 1-2
62
UP1_3
Inout 4MA,
SR PU, SMT
Microcontroller port 1-3
63
UP1_4
Inout 4MA,
SR PU,
SMT
Microcontroller port 1-4
64
UP1_5
Inout 4MA,
SR PU,
SMT
Microcontroller port 1-5
65
UP1_6
Inout 4MA,
SR PU,
SMT
Microcontroller port 1-6
66
DVDD3
Power
3.3V power pin for internal
digital circuitry
67
UP1_7
Inout 4MA,
SR PU,
SMT
Microcontroller port 1-7
68
UP3_0
Inout 4MA,
SR PU,
SMT
Microcontroller port 3-0
69
UP3_1
Inout 4MA,
SR PU,
SMT
Microcontroller port 3-1
70
INTO#
Inout 2-16MA,
SR PU, SMT
Microcontroller interrupt 0, active low
71
IR
Input SMT
IR control signal input
72
DVDD2
Power
2.5V power pin for internal digital circuitry
73
UPS 4
Inout
Microcontroller port 3-4
74
UPS 5
Inout
Microcontroller port 3-5
75
UWR#
Inout 2-16MA,
SR PU, SMT
Microcontroller write strobe, active low
76
URD#
Inout 2-16MA,
SR PU, SMT
Microcontroller read strobe, active low
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
Summary of Contents for HTD-K185UK
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