参数资料
型号: T89C51CC01UA-SLSIM
厂商: Atmel
文件页数: 72/123页
文件大小: 0K
描述: IC 8051 MCU FLASH 32K 44PLCC
标准包装: 27
系列: AT89C CAN
核心处理器: 8051
芯体尺寸: 8-位
速度: 40MHz
连通性: CAN,UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 32
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
EEPROM 大小: 2K x 8
RAM 容量: 1.25K x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 5.5 V
数据转换器: A/D 8x10b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 44-LCC(J 形引线)
包装: 管件
配用: AT89STK-06-ND - KIT DEMOBOARD 8051 MCU W/CAN
其它名称: T89C51CC01UASLSIM
2007 Microchip Technology Inc.
Preliminary
DS70165E-page 161
dsPIC33F
11.0
TIMER1
The Timer1 module is a 16-bit timer, which can serve
as the time counter for the real-time clock, or operate
as a free-running interval timer/counter. Timer1 can
operate in three modes:
16-bit Timer
16-bit Synchronous Counter
16-bit Asynchronous Counter
Timer1 also supports these features:
Timer gate operation
Selectable prescaler settings
Timer operation during CPU Idle and Sleep
modes
Interrupt on 16-bit Period register match or falling
edge of external gate signal
Figure 11-1 presents a block diagram of the 16-bit timer
module.
To configure Timer1 for operation:
1.
Set the TON bit (= 1) in the T1CON register.
2.
Select the timer prescaler ratio using the
TCKPS<1:0> bits in the T1CON register.
3.
Set the Clock and Gating modes using the TCS
and TGATE bits in the T1CON register.
4.
Set or clear the TSYNC bit in T1CON to select
synchronous or asynchronous operation.
5.
Load the timer period value into the PR1
register.
6.
If interrupts are required, set the interrupt enable
bit, T1IE. Use the priority bits, T1IP<2:0>, to set
the interrupt priority.
FIGURE 11-1:
16-BIT TIMER1 MODULE BLOCK DIAGRAM
Note:
This data sheet summarizes the features
of this group of dsPIC33F devices. It is not
intended to be a comprehensive reference
source. To complement the information in
this data sheet, refer to the “dsPIC30F
Family Reference Manual” (DS70046).
TON
SOSCI
SOSCO/
PR1
Set T1IF
Equal
Comparator
TMR1
Reset
SOSCEN
1
0
TSYNC
Q
QD
CK
TCKPS<1:0>
Prescaler
1, 8, 64, 256
2
TGATE
TCY
1
0
T1CK
TCS
1x
01
TGATE
00
Sync
Gate
Sync
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