参数资料
型号: MC9S08GW32CLK
厂商: Freescale Semiconductor
文件页数: 22/42页
文件大小: 0K
描述: IC MCU 8BIT 32KB FLASH 80LQFP
标准包装: 450
系列: S08
核心处理器: S08
芯体尺寸: 8-位
速度: 20MHz
连通性: I²C,LIN,SCI,SPI
外围设备: LCD,PWM,WDT
输入/输出数: 45
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
RAM 容量: 2K x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 3.6 V
数据转换器: A/D 16x16b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 80-LQFP
包装: 托盘
Electrical Characteristics
MC9S08GW64 Series MCU Data Sheet, Rev. 3
Freescale Semiconductor
29
3.10.1
Control Timing
Figure 17. Reset Timing
Table 13. Control Timing
Num
C
Rating
Symbol
Min
Typ1
1 Typical values are based on characterization data at V
DD = 3.0 V, 25C unless otherwise stated.
Max
Unit
1
D
Bus frequency (tcyc = 1/fBus)fBus
dc
20
MHz
2
D
Internal low power oscillator period
tLPO
700
1300
s
3
D
External reset pulse width2
2 This is the shortest pulse that is guaranteed to be recognized as a reset pin request.
textrst
100
ns
4
D
Reset low drive
trstdrv
34 x tcyc
——
ns
5
D
BKGD/MS setup time after issuing background debug
force reset to enter user or BDM modes
tMSSU
500
——
ns
6
D
BKGD/MS hold time after issuing background debug
force reset to enter user or BDM modes 3
3 To enter BDM mode following a POR, BKGD/MS should be held low during the power-up and for a hold time of t
MSH after VDD
rises above VLVD.
tMSH
100
——
s
7
D
IRQ pulse width
Asynchronous path2
Synchronous path4
4 This is the minimum pulse width that is guaranteed to pass through the pin synchronization circuitry. Shorter pulses may or
may not be recognized. In stop mode, the synchronizer is bypassed so shorter pulses can be recognized.
tILIH, tIHIL
100
1.5 x tcyc
ns
8
D
Keyboard interrupt pulse width
Asynchronous path2
Synchronous path4
tILIH, tIHIL
100
1.5 x tcyc
ns
9
C
Port rise and fall time — Non-LCD Pins
Low output drive (PTxDS = 0) (load = 50 pF)5, 6
Slew rate control disabled (PTxSE = 0)
Slew rate control enabled (PTxSE = 1)
5 Timing is shown with respect to 20% V
DD and 80% VDD levels. Temperature range –40C to 85C.
6 Except for LCD pins in Open Drain mode.
tRise, tFall
16
23
ns
Port rise and fall time — Non-LCD Pins
High output drive (PTxDS = 1) (load = 50 pF)5, 6
Slew rate control disabled (PTxSE = 0)
Slew rate control enabled (PTxSE = 1)
tRise, tFall
5
9
ns
10
C
Voltage Regulator Recovery time
tVRR
6
10
us
t
extrst
RESET
PIN
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