参数资料
型号: ADUC848BSZ8-3
厂商: Analog Devices Inc
文件页数: 83/108页
文件大小: 0K
描述: IC MCU FLASH W/16BIT ADC 52MQFP
标准包装: 96
系列: MicroConverter® ADuC8xx
核心处理器: 8052
芯体尺寸: 8-位
速度: 12.58MHz
连通性: I²C,SPI,UART/USART
外围设备: POR,PSM,PWM,温度传感器,WDT
输入/输出数: 34
程序存储器容量: 8KB(8K x 8)
程序存储器类型: 闪存
EEPROM 大小: 4K x 8
RAM 容量: 2.25K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 3.6 V
数据转换器: A/D 10x16b; D/A 1x12b,2x16b
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 52-QFP
包装: 托盘
ADuC845/ADuC847/ADuC848
Data Sheet
Rev. C | Page 76 of 108
TCON—Timer/Counter 0 and 1 Control Register
SFR Address:
88H
Power-On Default:
00H
Bit Addressable:
Yes
Table 51. TCON SFR Bit Designations
Bit No.
Name
Description
7
TF1
Timer 1 Overflow Flag.
Set by hardware on a Timer/Counter 1 overflow.
Cleared by hardware when the program counter (PC) vectors to the interrupt service routine.
6
TR1
Timer 1 Run Control Bit.
Set by the user to turn on Timer/Counter 1.
Cleared by the user to turn off Timer/Counter 1.
5
TF0
Timer 0 Overflow Flag.
Set by hardware on a Timer/Counter 0 overflow.
Cleared by hardware when the PC vectors to the interrupt service routine.
4
TR0
Timer 0 Run Control Bit.
Set by the user to turn on Timer/Counter 0.
Cleared by the user to turn off Timer/Counter 0.
3
External Interrupt 1 (INT1) Flag.
Set by hardware by a falling edge or by a zero level applied to the external interrupt pin, INT1, depending on the
state of Bit IT1.
Cleared by hardware when the PC vectors to the interrupt service routine only if the interrupt was transition-
activated. If level-activated, the external requesting source controls the request flag rather than the on-chip
hardware.
2
External Interrupt 1 (IE1) Trigger Type.
Set by software to specify edge-sensitive detection, that is, 1-to-0 transition.
Cleared by software to specify level-sensitive detection, that is, zero level.
1
External Interrupt 0 (INT0) Flag.
Set by hardware by a falling edge or by a zero level being applied to the external interrupt pin, INT0, depending on
the statue of Bit IT0.
Cleared by hardware when the PC vectors to the interrupt service routine only if the interrupt was transition-
activated. If level-activated, the external requesting source controls the request flag rather than the on-chip
hardware.
0
External Interrupt 0 (IE0) Trigger Type.
Set by software to specify edge-sensitive detection, that is, 1-to-0 transition.
Cleared by software to specify level-sensitive detection, that is, zero level.
___________________________________________
1
These bits are not used to control Timer/Counters 0 and 1, but are used instead to control and monitor the external INT0 and INT1 interrupt pins.
Timer/Counter 0 and 1 Data Registers
Each timer consists of two 8-bit registers. These can be used as independent registers or combined into a single 16-bit register, depending
on the timers’ mode configuration.
TH0 and TL0—Timer 0 high and low bytes.
SFR Address:
8CH and 8AH, respectively.
Power-On Default:
00H and 00H, respectively.
TH1 and TL1—Timer 1 high and low bytes.
SFR Address:
8DH and 8BH, respectively.
Power-On Default:
00H and 00H, respectively.
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