参数资料
型号: 73S1215F-44IMR/F
厂商: Maxim Integrated Products
文件页数: 115/136页
文件大小: 0K
描述: IC SMART CARD READER 44-QFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
系列: 73S12xx
核心处理器: 80515
芯体尺寸: 8-位
速度: 24MHz
连通性: I²C,智能卡,UART/USART,USB
外围设备: LED,POR,WDT
输入/输出数: 9
程序存储器容量: 64KB(64K x 8)
程序存储器类型: 闪存
RAM 容量: 2K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 44-VFQFN 裸露焊盘
包装: 带卷 (TR)
73S1215F Data Sheet
DS_1215F_003
8
Rev. 1.4
1 Hardware Description
1.1 Pin Description
Table 1: 73S1215F Pinout Description
Pin Name
Pin
(68
Qfn)
Pin
(44
Qfn)
Type
Equivalent
Circuit*
Description
X12IN
10
8
I
MPU/USB clock crystal oscillator input pin. A 12MHz
crystal is required for USB operation. A 1M resistor
is required between pins X12IN and X12OUT.
X12OUT
11
9
O
MPU/USB clock crystal oscillator output pin.
X32IN
8
I
RTC clock crystal oscillator input pin. A 32768Hz
crystal is required for low-power RTC operation.
X32OUT
7
O
RTC clock crystal oscillator output pin.
CPUCLK
39
O
Output signal, square wave at the frequency of the
MPU clock.
DP
26
16
IO
USB D+ IO pin, requires series 24 resistor.
DM
27
17
IO
USB D- IO pin, requires series 24 resistor.
ROW(5:0)
0
1
2
3
4
5
21
22
24
34
37
38
I
Keypad row input sense.
COL(4:0)
0
1
2
3
4
12
13
14
16
19
O
Keypad column output scan pins.
USR(8:0)
0
1
2
3
4
5
6
7
8
36
35
33
31
30
29
23
20
32
24
23
22
21
20
19
14
13
IO
General-purpose user pins, individually configurable as
inputs or outputs or as external input interrupt ports.
SCL
5
O
I
2C (master mode) compatible Clock signal. Note: the
pin 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.
SDA
6
IO
I
2C (master mode) compatible data I/O. Note: this pin is
bi-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.
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