参数资料
型号: MAXQ3120-FFN+
厂商: Maxim Integrated Products
文件页数: 31/33页
文件大小: 0K
描述: IC MCU 32KB FLASH 80-MQFP
标准包装: 66
系列: MAXQ®
核心处理器: RISC
芯体尺寸: 16-位
速度: 8MHz
连通性: UART/USART
外围设备: LCD,POR,PWM,WDT
输入/输出数: 32
程序存储器容量: 32KB(16K x 16)
程序存储器类型: 闪存
RAM 容量: 512 x 8
电压 - 电源 (Vcc/Vdd): 2.8 V ~ 3.6 V
数据转换器: A/D 2x16b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 80-BQFP
包装: 托盘
MAXQ3120
High-Precision ADC
Mixed-Signal Microcontroller
_____________________________________________________________________
7
Pin Description (continued)
PIN
NAME
FUNCTION
General-Purpose, Digital, I/O, Type-D Port; External Edge-Selectable Interrupt. These port pins
function as bidirectional I/O pins only. All port pins default to input mode with weak pullups enabled
after a reset. Port pins P0.3, P0.4, and P0.5 can be configured as external interrupt inputs. All alternate
functions must be enabled from software.
PIN
PORT
ALTERNATE FUNCTIONS
64
P0.0
RTC Square-Wave Output
65
P0.1
Serial Port 0 Receive
66
P0.2
Serial Port 0 Transmit
67
P0.3
Timer 0 Gate Input
INT0
68
P0.4
Timer 0 Input
INT1
69
P0.5
Timer 1 Input/Output
INT2
70
P0.6
Timer 2 Input/Output A (T2P)
64–71
P0.0–P0.7/
SQW, RXD0,
TXD0,
INT0–INT2/
T2A, T2B/
T0G, T0, T1
71
P0.7
Timer 2 Input/Output B (T2PB)
General-Purpose, 8-Bit, Digital, I/O, Type-C Port; LCD Segment-Driver Output. These port pins
function as both bidirectional I/O pins and LCD segment-drive outputs. All port pins default to input mode
with weak pullups enabled after a reset. Setting the LCD enable (PCFx) bit for a group of four port pins
enables the LCD function and disables the general-purpose I/O function on all pins in that group.
PIN
PORT
LCD SEGMENT
LCD ENABLE
76
P1.0
SEG19
77
P1.1
SEG18
78
P1.2
SEG17
79
P1.3
SEG16
PCF1
80
P1.4
SEG15
1
P1.5
SEG14
2
P1.6
SEG13
76–80, 1,
2, 3
P1.0–P1.7/
SEG19–
SEG12
3
P1.7
SEG12
PCF0
General-Purpose, 8-Bit, Digital, I/O, Type-C Port; LCD Segment-Driver Output. These port pins
function as both bidirectional I/O pins and LCD segment-drive outputs. All port pins default to input mode
with weak pullups enabled after a reset. Setting the LCD enable (PCFx) bit for a group of four port pins
enables the LCD function and disables the general-purpose I/O function on all pins in that group.
PIN
PORT
LCD SEGMENT
LCD ENABLE
28
P2.0
SEG20
29
P2.1
SEG21
30
P2.2
SEG22
31
P2.3
SEG23
PCF2
32
P2.4
SEG24
33
P2.5
SEG25
34
P2.6
SEG26
28–34, 39
P2.0–P2.7/
SEG20–
SEG27
39
P2.7
SEG27
PCF3
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