ATAM893T-TKQ Atmel, ATAM893T-TKQ Datasheet - Page 26
ATAM893T-TKQ
Manufacturer Part Number
ATAM893T-TKQ
Description
IC MON TIRE-PRESS ATARX9X SER
Manufacturer
Atmel
Series
MARC4r
Datasheet
1.ATAM893T-TKS.pdf
(98 pages)
Specifications of ATAM893T-TKQ
Core Processor
MARC4
Core Size
4-Bit
Speed
4MHz
Connectivity
SSI (2-Wire, 3 Wire)
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
4KB (4K x 8)
Program Memory Type
EEPROM
Eeprom Size
64 x 16
Ram Size
256 x 4
Voltage - Supply (vcc/vdd)
1.8 V ~ 6.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
20-SOIC (5.3mm Width), 20-SO, 20-SOEIAJ
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
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5.2.2.1
5.2.2.2
26
ATAM893-D
Port 2 Data Register (P2DAT)
Port 2 Control Register (P2CR)
Figure 5-3.
Bit 3 = MSB, Bit 0 = LSB
Value 1111b means all pins in input mode
Table 5-2.
P2DAT
P2CR
3 2 1 0
x x x 1
x x x 0
x x 1 x
x x 0 x
x 1 x x
x 0 x x
1 x x x
0 x x x
Code
I/O Bus
I/O Bus
Master reset
I/O Bus
Bit 3
P2DAT3
Bit 3
P2CR3
Bi-directional Port 2
Port 2 Control Register
Function
BP20 in input mode
BP20 in output mode
BP21 in input mode
BP21 in output mode
BP22 in input mode
BP22 in output mode
BP23 in input mode
BP23 in output mode
(Direction)
(Data out)
P2DATy
D
D
P2CRy
S
S
Bit 2
P2DAT2
Bit 2
P2CR2
Q
Q
Bit 1
P2DAT1
Bit 1
P2CR1
(1)
Flash options
Bit 0
P2DAT0
Bit 0
P2CR0
(1)
(1)
Primary register address: '2'hex
Reset value: 1111b
Auxiliary register address: '2'hex
Reset value: 1111b
(1)
(1)
Switched
Switched
pull-down
pull-up
V
DD
(1)
(1)
Static
Pull-up
BP2y
Static
Pull-down
V
DD
4680C–4BMCU–01/05
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