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| 型号： | 71M6531D-IM/F |
| 厂商： | TERIDIAN SEMICONDUCTOR CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC68 |
| 封装： | LEAD FREE, QFN-68 |
| 文件页数： | 43/120页 |
| 文件大小： | 2477K |
| 代理商： | 71M6531D-IM/F |
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FDS 6531/6532 005
Data Sheet 71M6531D/F-71M6532D/F
v1.3
2005-2010 TERIDIAN Semiconductor Corporation
29
Table 21: Allowed Timer/Counter Mode Combinations
Timer 1
Mode 0
Mode 1
Mode 2
Timer 0 - mode 0
Yes
Timer 0 - mode 1
Yes
Timer 0 - mode 2
Not allowed
Yes
Table 22: TMOD Register Bit Description (SFR 0x89)
Bit
Symbol
Function
Timer/Counter 1:
TMOD[7]
Gate
If TMOD[7] is set, external input signal control is enabled for Counter 0.
external gate control. The TR1 bit in the TCON register (SFR 0x88) must
also be set in order for Counter 1 to increment.
With these settings Counter 1 is incremented on every falling edge of the
logic signal applied to one or more of the interrupt sources controlled by
the DI_RBP, DIO_R1, … DIO_RXX registers.
TMOD[6]
C/T
Selects timer or counter operation. When set to 1, a counter operation is
performed. When cleared to 0, the corresponding register will function as a
timer.
TMOD[5:4]
M1:M0
Selects the mode for Timer/Counter 1 as shown in Table 20.
Timer/Counter 0:
TMOD[3]
Gate
If TMOD[3] is set, external input signal control is enabled for Counter 0.
external gate control. The TR0 bit in the TCON register (SFR 0x88) must
also be set in order for Counter 0 to increment.
With these settings Counter 0 is incremented on every falling edge of the
logic signal applied to one or more of the interrupt sources controlled by
the DI_RBP, DIO_R1, … DIO_RXX registers.
TMOD[2]
C/T
Selects timer or counter operation. When set to 1, a counter operation is
performed. When cleared to 0, the corresponding register will function as
a timer.
TMOD[1:0]
M1:M0
Selects the mode for Timer/Counter 0, as shown in Table 20.
Table 23: The TCON Register Bit Functions (SFR 0x88)
Bit
Symbol
Function
TCON[7]
TF1
The Timer 1 overflow flag is set by hardware when Timer 1 overflows.
This flag can be cleared by software and is automatically cleared when an
interrupt is processed.
TCON[6]
TR1
Timer 1 run control bit. If cleared, Timer 1 stops.
TCON[5]
TF0
Timer 0 overflow flag set by hardware when Timer 0 overflows. This flag
can be cleared by software and is automatically cleared when an interrupt
is processed.
TCON[4]
TR0
Timer 0 Run control bit. If cleared, Timer 0 stops.
TCON[3]
IE1
Interrupt 1 edge flag is set by hardware when the falling edge on external
pin int1 is observed. Cleared when an interrupt is processed.
TCON[2]
IT1
Interrupt 1 type control bit. Selects either the falling edge or low level on
input pin to cause an interrupt.
TCON[1]
IE0
Interrupt 0 edge flag is set by hardware when the falling edge on external
pin int0 is observed. Cleared when an interrupt is processed.
TCON[0]
IT0
Interrupt 0 type control bit. Selects either the falling edge or low level on
input pin to cause interrupt.
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| 71M6531F-DB | 功能描述:开发板和工具包 - 8051 71M6531F Demo Brd RoHS:否 制造商:Silicon Labs 产品:Development Kits 工具用于评估:C8051F960, Si7005 核心: 接口类型:USB 工作电源电压: |
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