参数资料
型号: PIC16LF721-I/P
厂商: Microchip Technology
文件页数: 8/135页
文件大小: 0K
描述: MCU PIC 4K FLASH 20-DIP
产品培训模块: 8-bit PIC® Microcontroller Portfolio
标准包装: 22
系列: PIC® XLP™ 16F
核心处理器: PIC
芯体尺寸: 8-位
速度: 16MHz
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 17
程序存储器容量: 7KB(4K x 14)
程序存储器类型: 闪存
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 3.6 V
数据转换器: A/D 12x8b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 20-DIP(0.300",7.62mm)
包装: 管件
2010-2011 Microchip Technology Inc.
Preliminary
DS41430C-page 105
PIC16(L)F720/721
13.11 Timer1 Gate Control Register
The Timer1 Gate Control register (T1GCON), shown in
Register 13-2, is used to control Timer1 gate.
REGISTER 13-2:
T1GCON: TIMER1 GATE CONTROL REGISTER
R/W-0
R-x
R/W-0
TMR1GE
T1GPOL
T1GTM
T1GSPM
T1GGO/
DONE
T1GVAL
T1GSS1
T1GSS0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
TMR1GE: Timer1 Gate Enable bit
If TMR1ON = 0:
This bit is ignored
If TMR1ON = 1:
1 = Timer1 counting is controlled by the Timer1 gate function
0 = Timer1 counts regardless of Timer1 gate function
bit 6
T1GPOL: Timer1 Gate Polarity bit
1 = Timer1 gate is active-high (Timer1 counts when gate is high)
0 = Timer1 gate is active-low (Timer1 counts when gate is low)
bit 5
T1GTM: Timer1 Gate Toggle mode bit
1 = Timer1 Gate Toggle mode is enabled.
0 = Timer1 Gate Toggle mode is disabled and toggle flip-flop is cleared
Timer1 gate flip-flop toggles on every rising edge.
bit 4
T1GSPM: Timer1 Gate Single Pulse mode bit
1 = Timer1 Gate Single-Pulse mode is enabled and is controlling Timer1 gate
0 = Timer1 Gate Single-Pulse mode is disabled
bit 3
T1GGO/DONE: Timer1 Gate Single-Pulse Acquisition Status bit
1 = Timer1 gate single-pulse acquisition is ready, waiting for an edge
0 = Timer1 gate single-pulse acquisition has completed or has not been started
This bit is automatically cleared when T1GSPM is cleared.
bit 2
T1GVAL: Timer1 Gate Current State bit
Indicates the current state of the Timer1 gate that could be provided to TMR1H:TMR1L.
Unaffected by Timer1 Gate Enable (TMR1GE).
bit 1-0
T1GSS<1:0>: Timer1 Gate Source Select bits
00 = Timer1 gate pin
01 = Timer0 overflow output
10 = TMR2 match PR2 output
11 = Watchdog Timer scaler overflow
Watchdog Timer oscillator is turned on if TMR1GE = 1, regardless of the state of TMR1ON
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