參數(shù)資料
型號： PIC16C74A-10/P
廠商： Microchip Technology
文件頁數(shù)： 77/114頁
文件大?。?/td> 0K
描述： IC MCU OTP 4KX14 A/D PWM 40DIP
產(chǎn)品培訓(xùn)模塊： Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標(biāo)準(zhǔn)包裝： 10
系列： PIC® 16C
核心處理器： PIC
芯體尺寸： 8-位
速度： 10MHz
連通性： I²C，SPI，UART/USART
外圍設(shè)備： 欠壓檢測/復(fù)位，POR，PWM，WDT
輸入/輸出數(shù)： 33
程序存儲器容量： 7KB（4K x 14）
程序存儲器類型： OTP
RAM 容量： 192 x 8
電壓 - 電源 (Vcc/Vdd)： 4 V ~ 6 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 8x8b
振蕩器型： 外部
工作溫度： 0°C ~ 70°C
封裝/外殼： 40-DIP（0.600"，15.24mm）
包裝： 管件
配用： 444-1001-ND - DEMO BOARD FOR PICMICRO MCU
1997 Microchip Technology Inc.
DS30390E-page 65
PIC16C7X
8.0
TIMER1 MODULE
The Timer1 module is a 16-bit timer/counter consisting
of two 8-bit registers (TMR1H and TMR1L) which are
readable and writable. The TMR1 Register pair
(TMR1H:TMR1L) increments from 0000h to FFFFh
and rolls over to 0000h. The TMR1 Interrupt, if enabled,
is generated on overow which is latched in interrupt
ag bit TMR1IF (PIR1<0>). This interrupt can be
enabled/disabled by setting/clearing TMR1 interrupt
enable bit TMR1IE (PIE1<0>).
Timer1 can operate in one of two modes:
As a timer
As a counter
The operating mode is determined by the clock select
bit, TMR1CS (T1CON<1>).
Applicable Devices
72 73 73A 74 74A 76 77
In timer mode, Timer1 increments every instruction
cycle.
In counter mode, it increments on every rising
edge of the external clock input.
Timer1 can be enabled/disabled by setting/clearing
control bit TMR1ON (T1CON<0>).
Timer1 also has an internal “reset input”. This reset can
be generated by either of the two CCP modules
(Section 10.0). Figure 8-1 shows the Timer1 control
register.
For the PIC16C72/73A/74A/76/77, when the Timer1
oscillator is enabled (T1OSCEN is set), the RC1/
T1OSI/CCP2 and RC0/T1OSO/T1CKI pins become
inputs. That is, the TRISC<1:0> value is ignored.
For the PIC16C73/74, when the Timer1 oscillator is
enabled (T1OSCEN is set), RC1/T1OSI/CCP2 pin
becomes an input, however the RC0/T1OSO/T1CKI
pin will have to be congured as an input by setting the
TRISC<0> bit.
FIGURE 8-1:
T1CON: TIMER1 CONTROL REGISTER (ADDRESS 10h)
U-0
R/W-0
—
T1CKPS1 T1CKPS0 T1OSCEN
T1SYNC
TMR1CS TMR1ON
R
= Readable bit
W = Writable bit
U
= Unimplemented bit,
read as ‘0’
- n = Value at POR reset
bit7
bit0
bit 7-6:
Unimplemented: Read as '0'
bit 5-4: T1CKPS1:T1CKPS0: Timer1 Input Clock Prescale Select bits
11
= 1:8 Prescale value
10
= 1:4 Prescale value
01
= 1:2 Prescale value
00
= 1:1 Prescale value
bit 3:
T1OSCEN: Timer1 Oscillator Enable Control bit
1 = Oscillator is enabled
0 = Oscillator is shut off
Note: The oscillator inverter and feedback resistor are turned off to eliminate power drain
bit 2:
T1SYNC: Timer1 External Clock Input Synchronization Control bit
TMR1CS = 1
1 = Do not synchronize external clock input
0 = Synchronize external clock input
TMR1CS = 0
This bit is ignored. Timer1 uses the internal clock when TMR1CS = 0.
bit 1:
TMR1CS: Timer1 Clock Source Select bit
1 = External clock from pin RC0/T1OSO/T1CKI (on the rising edge)
0 = Internal clock (FOSC/4)
bit 0:
TMR1ON: Timer1 On bit
1 = Enables Timer1
0 = Stops Timer1
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PIC16C74A-20/L 功能描述:8位微控制器 -MCU 7KB 192 RAM 33 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
PIC16C74A-20/L 制造商:Microchip Technology Inc 功能描述:8BIT CMOS MCU SMD 16C74 PLCC44
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