ATAM862P-TNQY3D Atmel, ATAM862P-TNQY3D Datasheet - Page 38
![IC MCU FLASH 4K TX 315MHZ 24SSOP](/photos/6/76/67636/453-24-ssop_sml.jpg)
ATAM862P-TNQY3D
Manufacturer Part Number
ATAM862P-TNQY3D
Description
IC MCU FLASH 4K TX 315MHZ 24SSOP
Manufacturer
Atmel
Datasheet
1.ATAM862P-TNQY3D.pdf
(110 pages)
Specifications of ATAM862P-TNQY3D
Applications
UHF ASK/FSK
Core Processor
MARC4
Program Memory Type
FLASH (4 kB)
Controller Series
MARC4 4-Bit
Ram Size
256 x 4
Interface
SSI
Number Of I /o
11
Voltage - Supply
1.8 V ~ 4 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
24-SSOP
Processor Series
ATAM862x
Core
MARC4
Data Bus Width
4 bit
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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22.3
38
Bi-directional Port 5
ATAM862-3
As all other bi-directional ports, this port includes a bitwise programmable Control Register
(P5CR), which allows the individual programming of each port bit as input or output. It also
opens up the possibility of reading the pin condition when in output mode. This is a useful fea-
ture for self testing and for serial bus applications.
The port pins can also be used as external interrupt inputs (see
The interrupts (INT1 and INT6) can be masked or independently configured to trigger on either
edge. The interrupt configuration and port direction is controlled by the Port 5 Control Register
(P5CR). An additional low resistance pull-up/pull-down transistor mask option provides an inter-
nal bus pull-up for serial bus applications.
The Port 5 Data Register (P5DAT) is I/O mapped to the primary address register of address "5"h
and the Port 5 Control Register (P5CR) to the corresponding auxiliary register. The P5CR is a
byte-wide register and is configured by writing first the low nibble and then the high nibble (see
section
Figure 22-3. Bi-directional Port 5
Figure 22-4. Port 5 External Interrupts
BP52
BP53
“Addressing Peripherals” on page
Bidir. Port
Bidir. Port
I/O Bus
IN_Enable
IN_Enable
I/O Bus
Master reset
IN enable
Data in
Data in
P5CR:
(Data out)
P5DATy
D
I/O-bus
S
Q
P53M2 P53M1 P52M2 P52M1 P51M2 P51M1 P50M2 P50M1
Decoder
Decoder
INT1
32).
*
Mask options
V
Decoder
DD
INT6
*
*
*
Switched
Decoder
pull-up
*
*
pull-down
Switched
Figure 22-3
V
DD
I/O-bus
*
*
V
Static
BP5y
pull-up
and
Static
Pull-down
Data in
IN_Enable
Data in
IN_Enable
DD
Bidir. Port
Bidir. Port
4554F–4BMCU–07/07
Figure
22-4).
BP51
BP50
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