Atr0620 [preliminary – Rainbow Electronics ATR0620 User Manual
Page 7
7
4574CS–GPS–05/05
ATR0620 [Preliminary]
138
(1)
A7
TMON21
(1)
(1)
(1)
(1)
(1)
139
(1)
B6
TMON22
(1)
(1)
(1)
(1)
(1)
140
(1)
Q5
TMON23
(1)
(1)
(1)
(1)
(1)
141
(1)
Q4
TMON24
(1)
(1)
(1)
(1)
(1)
142
(1)
N5
TMON25
(1)
(1)
(1)
(1)
(1)
143
(1)
P3
TMON26
(1)
(1)
(1)
(1)
(1)
144
(1)
K14
POR_VEXT
(1)
(1)
(1)
(1)
(1)
Table 1-1.
Pin Configuration (Continued)
Serial
Number
BGA 100
CPGA 144
Pin Name
Firmware
Label
PIO Bank A
PIO Bank B
I
O
I
O
Note:
1. No selection option for PIO.
Table 1-2.
Pin Description
Module Name
Function
Type
Active Level
Comment
EBI
EM_A0 – 23
Address bus
Output
–
All valid after reset
EM_DA0 – 31
Data bus
I/O
–
–
NCS0 – NCS3
Chip select
I/O
Low
–
NWR0
Lower byte 0 write signal
I/O
Low
Used in byte write option
NWR1
Lower byte 0 write signal
I/O
Low
Used in byte write option
NRD
Read signal
I/O
Low
Used in byte write option
NWE
Write enable
I/O
Low
Used in byte select option
NOE
Output enable
I/O
Low
Used in byte select option
NUB
Upper byte select (16-bit SRAM)
I/O
Low
Used in byte select option
NLB
Lower byte select (16-bit SRAM)
Output
Low
Used in byte write option
NWAIT
Wait signal
I/O
Low
–
BOOT_MODE0
Boot mode input
I/O
–
PIO-controlled after reset, pull up
BOOT_MODE1
Boot mode input
I/O
–
PIO-controlled after reset, pull down
USART
TXD0-2
Transmit data output
I/O
–
PIO-controlled after reset
RXD0-2
Receive data input
I/O
–
PIO-controlled after reset
SCK0-2
External serial clock
I/O
–
PIO-controlled after reset
AIC
EXTINT0-2
External interrupt request
I/O
High/Low
PIO-controlled after reset
PWM
AGCOUT0-1
Automatic gain control
Output
–
PIO-controlled after reset
PMC
RF_ON
–
–
–
ATR0600
RTC
nSleep
Clear sleep output (AF-LDO)
Output
Low
PIO-controlled after reset
nSHDN
Clear sleep output (1.8LDO)
I/O
Low
PIO-controlled after reset
XT_IN
Oscillator input
Input
–
OSC
XT_OUT
Oscillator output
Output
–
OSC
SPI
SCK
SPI clock
I/O
–
PIO-controlled after reset
MOSI
Master out slave in
I/O
–
PIO-controlled after reset
MISO
Master in slave out
I/O
–
PIO-controlled after reset
NPCS0-3
Slave select
I/O
Low
PIO-controlled after reset
WD
NWD_OVF
Watchdog timer overflow
I/O
–
PIO-controlled after reset
PIO
PDSR0-31
Programmable I/O port
I/O
–
Input after reset