参数资料
型号: DTMFDECODER-RD
厂商: Silicon Laboratories Inc
文件页数: 55/178页
文件大小: 0K
描述: KIT REF DESIGN DTMF DECODER
应用说明: DTMF Decoder Ref Design AppNote
标准包装: 1
主要目的: 电信,DTMF 解码器
嵌入式:
已用 IC / 零件: C8051F300
主要属性: 8kHz 采样速率模数转换器
次要属性: 16 个 Goertzel 滤波器
已供物品: 板,软件
产品目录页面: 627 (CN2011-ZH PDF)
相关产品: 336-1535-5-ND - IC 8051 MCU 8K FLASH 14-SOIC
C8051F300-GMR-ND - IC 8051 MCU 8K FLASH 11QFN
336-1245-ND - IC 8051 MCU 8K FLASH 11QFN
其它名称: 336-1283
C8051F300/1/2/3/4/5
148
Rev. 2.9
SFR Definition 15.2.
Bit7:
GATE1: Timer 1 Gate Control.
0: Timer 1 enabled when TR1 = 1 irrespective of /INT1 logic level.
1: Timer 1 enabled only when TR1 = 1 AND /INT1 is active as defined by bit IN1PL in regis-
ter IT01CF (see SFR Definition 8.11).
Bit6:
C/T1: Counter/Timer 1 Select.
0: Timer Function: Timer 1 incremented by clock defined by T1M bit (CKCON.4).
1: Counter Function: Timer 1 incremented by high-to-low transitions on external input pin
(T1).
Bits5–4: T1M1–T1M0: Timer 1 Mode Select.
These bits select the Timer 1 operation mode.
Bit3:
GATE0: Timer 0 Gate Control.
0: Timer 0 enabled when TR0 = 1 irrespective of /INT0 logic level.
1: Timer 0 enabled only when TR0 = 1 AND /INT0 is active as defined by bit IN0PL in regis-
ter IT01CF (see SFR Definition 8.11).
Bit2:
C/T0: Counter/Timer Select.
0: Timer Function: Timer 0 incremented by clock defined by T0M bit (CKCON.3).
1: Counter Function: Timer 0 incremented by high-to-low transitions on external input pin
(T0).
Bits1–0: T0M1–T0M0: Timer 0 Mode Select.
These bits select the Timer 0 operation mode.
R/W
Reset Value
GATE1
C/T1
T1M1
T1M0
GATE0
C/T0
T0M1
T0M0
00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SFR Address:
0x89
T1M1
T1M0
Mode
0
Mode 0: 13-bit counter/timer
0
1
Mode 1: 16-bit counter/timer
1
0
Mode 2: 8-bit counter/timer with auto-
reload
1
Mode 3: Timer 1 inactive
T0M1
T0M0
Mode
0
Mode 0: 13-bit counter/timer
0
1
Mode 1: 16-bit counter/timer
1
0
Mode 2: 8-bit counter/timer with auto-
reload
1
Mode 3: Two 8-bit counter/timers
TMOD: Timer Mode
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