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IC51 : T5CD2
Pin
Port Name
No.
1 VREFH
2 AVSS
3 AVCC
4 P70/TA0IN
5 P71/TA1OUT
6 P72/TA3OUT
7 P73/TA4IN
8 P74/TA5OUT
9 P75/INT0
10 P80/TB0IN0/INT5
11 P81/TB0IN1/INT6
12 P82/TB0OUT0
13 P83/TB0OUT1
14 P84/TB1IN0/INT7
15 P85/TB1IN1/INT8
16 P86/TB1OUT0
17 P87/TB1OUT1
18 P90/TXD0
19 P91/RXD0
20 P92/SCLK0/CTS0
21 P93/TXD1
22 P94/RXD1
23 P95/SCLK1/CTS1
24 AM0
25 DVCC
26 X2
27 DVSS
28 X1
29 AM1
30 /RESET
31 P96/XT1
32 P97/XT2
33 /BOOT/EMU0
34 EMU1
35 PA0/TB2IN0/INT1
36 PA1/TB2IN1/INT2
37 PA2/TB2OUT0
38 PA3/TB2OUT1
39 P40/CS0/SCOUT
40 P41/CS1/TXD2
41 P42/CS2/RXD2
42 P43/CS3/SCLK2/CTS2
43 P44/ALE
44 P00/AD0
45 P01/AD1
46 P02/AD2
47 P03/AD3
48 P04/AD4
49 P05/AD5
50 P06/AD6
Power
I/O Use
Name
off
VREFH
GND
AVCC
I/O
O
L
/SRAM_WE
I/O
O
L
/SRAM_OE
I/O
O
L
/SRAM_CE
I/O
NC
I/O
NC
I/O
I
-
RS/REMOTE
I/O I/O
L
SRAM_DATA00
I/O I/O
L
SRAM_DATA01
I/O I/O
L
SRAM_DATA02
I/O I/O
L
SRAM_DATA03
I/O I/O
L
SRAM_DATA04
I/O I/O
L
SRAM_DATA05
I/O I/O
L
SRAM_DATA06
I/O I/O
L
SRAM_DATA07
I/O
O
L
VFD_DATA
I/O
O
L
VFD_CS
I/O
O
L
VFD_CLK
I/O
O
L
UPDATE_TXD
I/O
I
I
UPDATE_RXD
I/O
NC
AM0
DVCC
X2
DVSS
X1
AM1
/RESET
I/O
NC
I/O
NC
BOOT
I/O
NC
I/O
I
-
RS/REMOTE
I/O
NC
I/O
O
H
BUSOUT
I/O
I
-
SYSTEM_DETECT
I/O
O
-
RS_ON/OFF
I/O
O
L
CTRL
I/O
O
H
LED
I/O
NC
I/O
NC
I/O
O
L
SRAM_ADD00
I/O
O
L
SRAM_ADD01
I/O
O
L
SRAM_ADD02
I/O
O
L
SRAM_ADD03
I/O
O
L
SRAM_ADD04
I/O
O
L
SRAM_ADD05
I/O
O
L
SRAM_ADD06
Port Setting
Act.
init
ADC power, connect with +5V
GND
MCU power, connect with +5V
L
I
sram write enable
L
I
sram output enable
L
I
sram chip enable
open
open
-
I
remote in
-
I
sram_data_00
-
I
sram_data_01
-
I
sram_data_02
-
I
sram_data_03
-
I
sram_data_04
-
I
sram_data_05
-
I
sram_data_06
-
I
sram_data_07
-
vfd data
L
vfd chip select
L
I
vfd clock
-
I
used when connect with update tool
-
I
used when connect with update tool
-
I
open
chip operate select, connect with +5V
MCU power, connect with +5V
oscillator(20MHz)
GND
oscillator(20MHz)
chip operate select, connect with +5V
MCU reset
open
open
update mode select
open
-
I
remote in
open
-
I
bus out
-
I
system detect
-
I
remote signal kill control
H
I
Unit power control
L
stanby LED control
open
open
-
I
sram_address_00
-
I
sram_address_01
-
I
sram_address_02
-
I
sram_address_03
-
I
sram_address_04
-
I
sram_address_05
-
I
sram_address_06
42
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