Armadillo-9
hardware manual ver.1.02
Table 5-19 J2 Signal Assignment (1)
No.
Signal Name
I/O
Function
C0
GND
Power Power supply (GND)
C1
SBHE*
O
Bus high enable (active when the high 8-bit on data bus is used)
C2 A23
O Address
bus
(23bit)
C3 A22
O Address
bus
(22bit)
C4 A21
O Address
bus
(21bit)
C5 A20
O Address
bus
(20bit)
C6 A19
O Address
bus
(19bit)
C7 A18
O Address
bus
(18bit)
C8 A17
O Address
bus
(17bit)
C9
MEMR*
O
Memory read strobe
C10
MEMW*
O
Memory write strobe
C11
D8
I/O
Data bus (bit8)
C12
D9
I/O
Data bus (bit9)
C13
D10
I/O
Data bus (bit10)
C14
D11
I/O
Data bus (bit11)
C15
D12
I/O
Data bus (bit12)
C16
D13
I/O
Data bus (bit13)
C17
D14
I/O
Data bus (bit14)
C18
D15
I/O
Data bus (bit15)
C19 (KEY)
- GND
Table 5-20 J2 Signal Assignment (2)
No.
Signal Name
I/O
Function
D0
GND
Power Power supply (GND)
D1 MEMCS16*
(I) Non-support
(5V
pull-up)
D2 IOCS16*
(I) Non-support
(5V
pull-up)
D3
IRQ10
I
Interrupt request 10
D4
IRQ11
I
Interrupt request 11
D5
IRQ12
I
Interrupt request 12
D6
IRQ15
I
Interrupt request 15
D7
IRQ14
I
Interrupt request 14
D8 DACK0*
(O) Non-support
(3.3V
pull-up)
D9 DREQ0
(I) Non-support
D10 DACK5*
(O) Non-support
(3.3V
pull-up)
D11 DREQ5
(I) Non-support
D12 DACK6*
(O) Non-support
(3.3V
pull-up)
D13 DREQ6
(I) Non-support
D14 DACK7*
(O) Non-support
(3.3V
pull-up)
D15 DREQ7
(I) Non-support
D16
+5V
Power Power supply (+5V)
D17 MASTER*
(I) Non-support
(5V
pull-up)
D18
GND
Power Power supply (GND)
D19
GND
Power Power supply (GND)
19