参数资料
型号: MC68HC05BS8FB
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.2 MHz, MICROCONTROLLER, PQFP44
封装: PLASTIC, QFP-44
文件页数: 18/128页
文件大小: 9691K
代理商: MC68HC05BS8FB
13-4
MC68HC05BS8
ELECTRICAL SPECIFICATIONS
13
13.5
Pulse Width Modulator Timing
(VDD=5.0Vdc ±10%, VSS=0Vdc, temperature range=0 to 70°C)
PARAMETER
SYMBOL
MINIMUM
MAXIMUM
UNIT
GPWM frame period
tGP
63
tCYC
GPWM step size
tS.GP
1tCYC
RSPWM frame period (CRE=0, no PB7 reset)
tRSP
127
tRCLK
RSPWM step size
tS.RSP
1tRCLK
RCLK low pulse width
tRCKL
80
ns
RCLK high pulse width
tRCKH
80
ns
PB7 counter reset low pulse width (CRE=1)
tPBRL
80
ns
RCLK to RS output delay
tRCKRD
—50
ns
PB7 to RS output delay (CRE=0)
tPBRD
—90
ns
Note: tRCLK is the RCLK input signal period.
Figure 13-1 PWM Timing
SCL
tRCKL tRCKH tRCLK tRCKRD
tPBRD
tPBRL
PB7
RSA or RSB
TPG
112
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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