参数资料
型号: MC68HC705SR3PE
厂商: Freescale Semiconductor
文件页数: 81/96页
文件大小: 0K
描述: IC MCU 3.75K 2.1MHZ OTP 40-DIP
标准包装: 9
系列: HC05
核心处理器: HC05
芯体尺寸: 8-位
速度: 4MHz
外围设备: LED,POR
输入/输出数: 32
程序存储器容量: 3.75KB(3.75K x 8)
程序存储器类型: OTP
RAM 容量: 192 x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 5.5 V
数据转换器: A/D 4x8b
振荡器型: 内部
工作温度: 0°C ~ 70°C
封装/外壳: 40-DIP(0.600",15.24mm)
包装: 管件
Freescale
11-6
MC68HC05SR3
ELECTRICAL SPECIFICATIONS
11
Table 11-5 Control Timing for 3V Operation
(VDD=3.0Vdc ±10%, VSS=0Vdc, temperature range=0 to 70°C)
CHARACTERISTICS
SYMBOL
MINIMUM
MAXIMUM
UNIT
Frequency of operation
RC oscillator Option
Crystal option
External clock option
fOSC
0.1
dc
2.0
MHz
Internal operating frequency (fOSC/2)
RC oscillator
Crystal
External clock
fOP
dc
1.0
MHz
Processor cycle time (1/fOP)tCYC
1000
ns
RC oscillator stabilization time
tRCON
—2
ms
Crystal oscillator start-up time (crystal oscillator)
tOXOV
200
ms
Stop recovery start-up time (crystal oscillator)
tILCH
200
ms
RESET pulse width low
tRL
1.5
tCYC
Timer resolution(2)
tRESL
See note (2)
tCYC
Interrupt pulse width low (edge-triggered)
tILIH
250
ns
Interrupt pulse period
tILIL
See note (3)
tCYC
PA0-PA7 interrupt pulse width high (edge-triggered)
tIHIL
250
ns
PA0-PA7 interrupt pulse period
tIHIH
See note (3)
tCYC
OSC1 pulse width
t
180
ns
RC oscillator frequency combined stability(4)
fOSC=2.0MHz, VDD=3.0Vdc±10%, tA=–40°C to +85°C
fOSC=2.0MHz, VDD=3.0Vdc±10%, tA=0°C to +40°C
fOSC
±35
±20
%
Notes:
(1) VDD=3.0Vdc±10%, VSS=0Vdc, tA=tL to tH
(2) The TIMER input pin is the limiting factor in determining timer resolution.
(3) The minimum period tILIL or tIHIH should not be less than the number of cycles it takes to execute the interrupt
service routine plus 19 tCYC.
(4) Effects of processing, temperature, and supply voltage (excluding tolerances of external R and C).
TPG
80
05SR3.Book Page 6 Thursday, August 4, 2005 1:08 PM
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