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IC436 : HD6417014F28
16 bit µ-COM (CPU)
No.
Port
1
PE14/DACK0//AH
2
PE15/DACK1
3
VSS
4
A0
5
A1
6
A2
7
A3
8
A4
9
A5
10
A6
11
A7
12
A8
13
A9
14
A10
15
A11
16
A12
17
A13
18
A14
19
A15
20
A16
21
VCC
22
A17
23
VSS
24
PB2//IRQ0//RAS
25
PB3//IRQ1//CASL
26
PB4//IRQ2//CASH
27
VSS
28
PB5//IRQ3/RDWR
29
PB6/A18
30
PB7/A19
31
PB8//IRQ6/A20//WAIT
32
PB9//IRQ7/A21
33
VSS
34
/RD
35
/WDTOVF
36
/WRH
37
VCC
38
/WRL
39
VSS
40
/CS1
41
/CS0
42
PA9/TCLKD//IRQ3
43
PA8/TCLKC//IRQ2
44
PA7/TCLKB//CS3
45
PA6/TCLKA//CS2
46
PA5/SCK1//DREQ1//IRQ1 T-FAULT
47
PA4/TXD1
48
PA3/RXD1
49
PA2/SCK0//DREQ0//IRQ0 FLCK
50
PA1/TXD0
51
PA0/RXD0
52
D15
53
D14
54
D13
55
VSS
56
D12
Name
I/O
Function
SP_ON
O
Speaker relay control (H: ON, L: OFF )
T_MUTE
O
Tripath Amp Mute (AMP-ON)
VSS
GND
A0
O
Address bus
A1
O
Address bus
A2
O
Address bus
A3
O
Address bus
A4
O
Address bus
A5
O
Address bus
A6
O
Address bus
A7
O
Address bus
A8
O
Address bus
A9
O
Address bus
A10
O
Address bus
A11
O
Address bus
A12
O
Address bus
A13
O
Address bus
A14
O
Address bus
A15
O
Address bus
A16
O
Address bus
VCC
+5V
A17
O
Address bus
VSS
GND
DC_ON
I
Power down detection (using power level detection)
USBSOF
I
Start of Frame input from USB
USBINT
I
Interruption input from USB
VSS
GND
/EAINT
I
Interruption input from Gate Array
A18
O
Address bus
/D_RST
O
Reset signal for YSS928, CS5360(A/D), AD1854(D/A)
/DIRINT
I
Interruption input from YSS928 (DIR)
/AC3MUTE
I
Interruption input from YSS928 (MUTE)
VSS
GND
RDB
O
Control signal output for reading
/WDTOVF
Watched timer overflow output (Not used)
/WRH
O
Control signal output for upper byte writing
VCC
+5V
WRL
O
Control signal output for lower byte writing
VSS
GND
EACS
O
Chip select output for Gate Array
FLASHCS
O
Chip select output for external ROM
/ICD
O
Chip select output for FL driver
/NONPCM
I
Interruption input from YSS928 (NONPCM)
SRAMCS
O
Chip select output for SRAM
USBCS
O
Chip select output for USB
I
Protection for Tripath Amp (Not used)
TX
O
Serial data output for Debug Monitor (RS232C)
RX
I
Serial data input for Debug Monitor (RS232C)
O
Serial clock output to FL driver
FLDA
O
Serial data output to FL driver
FLCS
O
Chip select output to FL driver
D15
I/O
Data bus
D14
I/O
Data bus
D13
I/O
Data bus
VSS
GND
D12
I/O
Data bus
RP-U200
22
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