73S1210F-44M/F/PC Maxim Integrated Products, 73S1210F-44M/F/PC Datasheet - Page 8

• Manufacturer Part Number: 73S1210F-44M/F/PC
• Description: Microcontrollers (MCU)
• Manufacturer: Maxim Integrated Products

Specifications of 73S1210F-44M/F/PC

• Lead Free Status / Rohs Status: Details

1.1 Pin Description
73S1210F Data Sheet
1 Hardware Description
8
Pin Name
X12IN
X12OUT
ROW(5:0)
0
1
2
3
4
5
COL(4:0)
0
1
2
3
4
USR(7:0)
0
1
2
3
4
5
6
7
SCL
SDA
RXD
TXD
INT3
INT2
SIO
SCLK
21
22
24
33
36
37
12
13
14
16
19
35
34
32
31
30
29
23
20
10
11
17
18
48
49
47
45
5
6
10
22
21
20
19
18
17
14
13
11
12
30
31
29
28
9
6
7
IO
IO
IO
O
O
O
O
O
I
I
I
I
I
Table 1: 73S1210 Pinout Description
Figure 26
Figure 26
Figure 34
Figure 35
Figure 30
Figure 29
Figure 28
Figure 32
Figure 29
Figure 32
Figure 32
Figure 28
Figure 29
Description
MPU clock crystal oscillator input pin. A 1MΩ resistor is
required between pins X12IN and X12OUT.
MPU clock crystal oscillator output pin.
Keypad row input sense.
Keypad column output scan pins.
General-purpose user pins, individually configurable as
inputs or outputs or as external input interrupt ports.
I
is configured as an open drain output. When the I2C
interface is being used, an external pull up resistor is
required. A value of 3K is recommended.
I
directional. When the pin is configured as output, it is an
open drain output. When the I2C interface is being used,
an external pull up resistor is required. A value of 3K is
recommended.
Serial UART Receive data pin.
Serial UART Transmit data pin.
General purpose interrupt input.
General purpose interrupt input.
IO data signal for use with external Smart Card interface
circuit such as 73S8010.
Clock signal for use with external Smart Card interface
circuit.
2
2
C (master mode) compatible Clock signal. Note: the pin
C (master mode) compatible data I/O. Note: this pin is bi-
DS_1210F_001
Rev. 1.4