T48C862M-R4-TNQ Atmel, T48C862M-R4-TNQ Datasheet - Page 37
T48C862M-R4-TNQ
Manufacturer Part Number
T48C862M-R4-TNQ
Description
IC MON TIRE PRESS 433MHZ 24-SOIC
Manufacturer
Atmel
Datasheet
1.T48C862M-R4-TNS.pdf
(107 pages)
Specifications of T48C862M-R4-TNQ
Frequency
433MHz
Modulation Or Protocol
FM, FSK
Data Rate - Maximum
32 kBaud
Power - Output
10dBm
Current - Transmitting
9.5mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Memory Size
1KB EEPROM, 1KB RAM
Voltage - Supply
2 V ~ 4 V
Operating Temperature
-40°C ~ 125°C
Package / Case
24-SOIC (0.200", 5.30mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Features
-
Applications
-
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Table 11. Port 5 Control Register
Bi-directional Port 4
4551C–4BMCU–01/04
Auxiliary Address: "5"hex, First Write Cycle
3 2 1 0
x x 1 1
x x 0 1
x x 1 0
x x 0 0
1 1 x x
0 1 x x
1 0 x x
0 0 x x
Code
Function
BP50 in input mode
BP50 in input mode
BP50 in input mode
BP50 in output mode
BP51 in input mode
BP51 in input mode
BP51 in input mode
BP51 in output mode
–
–
–
–
–
–
–
–
interrupt disabled
rising edge interrupt
falling edge interrupt
interrupt disabled
rising edge interrupt
falling edge interrupt
interrupt disabled
interrupt disabled
The bi-directional Port 4 is a bitwise configurable I/O port and provides the external pins
for the Timer 2, SSI and the voltage monitor input (VMI). As a normal port, it performs in
exactly the same way as bi-directional Port 2 (see Figure 32). Two additional multi-
plexes allow data and port direction control to be passed over to other internal modules
(Timer 2, VM or SSI). The I/O-pins for SC and SD line have an additional mode to
generate an SSI-interrupt.
All four Port 4 pins can be individually switched by the P4CR register. Figure 32 shows
the internal interfaces to bi-directional Port 4.
Figure 32. Bi-directional Port 4 and Port 6
Master reset
PDir
I/O Bus
POut
I/O Bus
I/O Bus
PIn
Intx
D
PxDATy
PxCRy
D
S
S
Q
Q
(Direction)
PxMRy
Second Write Cycle
3 2 1 0
x x 1 1
x x 0 1
x x 1 0
x x 0 0
1 1 x x
0 1 x x
1 0 x x
0 0 x x
Code
T48C862-R4 [Preliminary]
Function
BP52 in input mode
BP52 in input mode
BP52 in input mode
BP52 in output mode
BP53 in input mode
BP53 in input mode
BP53 in input mode
BP53 in output mode
*
Configurable
V DD
*
*
*
–
–
–
–
–
–
pull-down
Switched
–
–
Switched
interrupt disabled
rising edge interrupt
falling edge interrupt
interrupt disabled
rising edge interrupt
falling edge interrupt
pull-up
interrupt disabled
interrupt disabled
*
*
V DD
V
DD
*
*
Static
pull-up
Static
pull-down
BPxy
37
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