Bus frequency (t<" />
參數(shù)資料
型號: MC9S08PA32VLH
廠商: Freescale Semiconductor
文件頁數(shù): 6/37頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 32KB FLASH 64LQFP
標(biāo)準(zhǔn)包裝: 160
系列: S08
核心處理器: S08
芯體尺寸: 8-位
速度: 20MHz
連通性: I²C,LIN,SPI,UART/USART
外圍設(shè)備: LVD,POR,PWM,WDT
輸入/輸出數(shù): 57
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
EEPROM 大小: 256 x 8
RAM 容量: 4K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 16x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 105°C
封裝/外殼: 64-LQFP
包裝: 托盤
Switching specifications
5.2.1 Control timing
Table 5. Control timing
Num
C
Rating
Symbol
Min
Typical1
Max
Unit
1
P
Bus frequency (tcyc = 1/fBus)
fBus
DC
20
MHz
2
P
Internal low power oscillator frequency
fLPO
0.67
1.0
1.25
KHz
3
D
External reset pulse width2
textrst
1.5 ×
tSelf_reset
ns
4
D
Reset low drive
trstdrv
34 × 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 modes3
tMSH
100
ns
7
D
IRQ pulse width
Asynchronous
tILIH
100
ns
D
Synchronous path4
tIHIL
1.5 × tcyc
ns
8
D
Keyboard interrupt pulse
width
Asynchronous
tILIH
100
ns
D
Synchronous path
tIHIL
1.5 × tcyc
ns
9
C
Port rise and fall time -
Normal drive strength
(HDRVE_PTXx = 0) (load
= 50 pF)5
tRise
10.2
ns
C
tFall
9.5
ns
C
Port rise and fall time -
Extreme high drive
strength (HDRVE_PTXx =
1) (load = 50 pF)5
tRise
5.4
ns
C
tFall
4.6
ns
1. Typical values are based on characterization data at VDD = 5.0 V, 25 °C unless otherwise stated.
2. This is the shortest pulse that is guaranteed to be recognized as a reset pin request.
3. To enter BDM mode following a POR, BKGD/MS must be held low during the powerup and for a hold time of tMSH after
VDD rises above VLVD.
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.
5. Timing is shown with respect to 20% VDD and 80% VDD levels. Temperature range -40 °C to 105 °C.
textrst
RESET PIN
Figure 5. Reset timing
5.2
Switching specifications
MC9S08PT60 Series Data Sheet, Rev. 3, 4/2012.
14
Freescale Semiconductor, Inc.
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