
34
Chapter 1
Introduction
User’s Manual U16702EE3V2UD00
Pin Identification
Note:
External bus interface is available only for 3403 and 3403A
AD0 to AD15
Note
Address/data bus
PCL
Programmable clock output
ADTRG
A/D trigger input
PCM0 to PCM3
Port CM
ANI0 to ANI15
Analog input
PCT0, PCT1,
Port CT
ASCKA0 to ASCKA1
Asynchronous serial clock
PCT4, PCT6
ASTB
Note
Address strobe
PDL0 to PDL13
Port DL
AV
REF0
Analog reference voltage
RD
Note
Read strobe
AV
SS
Analog ground
REGC0, REGC1
Regulator control
BV
DD
Power supply for bus interface
RESET
Reset
BV
SS
Ground for bus interface
RXDA0 to RXDA1
Receive data
CLKOUT
Note
Clock output
SCK30, SCK31
Serial clock
CTXD0, CTXD1
Transmit data for controller area
network
SCKB0 to SCKB1
Serial clock
CRXD0, CRXD1
Receive data for controller area
network
SI30, SI31
Serial input
CS0, CS1
Note
Chip select
SIB0 to SIB1
Serial input
CS300 to CS303
Serial Chip Select
SO30, SO31
Serial output
CS310 to CS313
Serial Chip Select
SOB0 to SOB1
Serial output
DCK
Debug clock
TIP00, TIP01,
Timer input
DDI
Debug data input
TIP10, TIP11,
DDO
Debug data output
TIP20, TIP21,
DMS
Debug mode select
TIP30, TIP31,
DRST
Debug reset
TIQ00 to TIQ03,
FLMD0, FLMD1
Flash programming mode
TIQ10 to TIQ13
HLDAK
Note
Hold acknowledge
TOP00, TOP01,
Timer output
HLDRQ
Note
Hold request
TOP10, TOP11,
INTP0 to INTP7
Interrupt request from peripherals
TOP20, TOP21,
TOP30, TOP31,
NMI
Non-maskable interrupt request
TOQ00 to
TOQ03,
P00 to P06
Port 0
TOQ10 to TOQ13
P10 to P12
Port 1
TXDA0 to TXDA1
Transmit data
P30 to P38
Port 3
V
DD0
, V
DD1
Power supply
P40 to P42
Port 4
V
SS0
, V
SS1
Ground
P50 to P55
Port 5
WAIT
Note
Wait
P70 to P715
Port 7
WR0
Note
Write strobe low level data
P90 to P915
Port 9
WR1
Note
Write strobe high level data
PCS0, PCS1
Port CS
X1, X2
Crystal for main clock
electronic components distributor