Pin Symbol Type
Description
AC1
ʳ
NFD7
I/O
Multiple function
(1) NAND Flash Data input/output bit7
(2) GPIO
AD3
ʳ
NFRBN
I/O
Multiple function
(1) NAND Flash ready/busy
(2) GPIO
AE3
ʳ
NFRBN2
I/O
Multiple function
(1) NAND Flash 2
nd
ready/busy
(2) 2nd RS232 RX
(3) External Interrupt 1
(4) 3th RS232 RX
(5) Slave I2C data
(6) PWM control signal output
(7) GPO
AE4
ʳ
NFREN
I/O
Multiple function
(1) NAND Flash read enable
(2) GPO
AD6
ʳ
NFWEN
I/O
Multiple function
(1) NAND Flash write enable
(2) GPO
Dram Channel A
AA25
ʳ
RA0
O
Memory address bit 0
U21
ʳ
RA1
O
Memory address bit 1
AB25
ʳ
RA2
O
Memory address bit 2
AA23
ʳ
RA3
O
Memory address bit 3
W21
ʳ
RA4
O
Memory address bit 4
AA24
ʳ
RA5
O
Memory address bit 5
W22
ʳ
RA6
O
Memory address bit 6
AB24
ʳ
RA7
O
Memory address bit 7
W20
RA8
O
Memory address bit 8
AC24
ʳ
RA9
O
Memory address bit 9
AD23
ʳ
RA10
O
Memory address bit 10
V22
ʳ
RA11
O
Memory address bit 11
AA20
ʳ
RA12
O
Memory address bit 12
AD25
ʳ
RA13
O
Memory address bit 13
Y24
ʳ
RBA0
O
Memory bank address bit 0
9-13
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