參數(shù)資料
型號(hào): PCF51AC256BCPUE
廠(chǎng)商: Freescale Semiconductor
文件頁(yè)數(shù): 29/42頁(yè)
文件大?。?/td> 0K
描述: MCU 8BIT 256K FLASH 64-LQFP
標(biāo)準(zhǔn)包裝: 160
系列: MCF51AC
核心處理器: Coldfire V1
芯體尺寸: 32-位
速度: 50MHz
連通性: I²C,SCI,SPI
外圍設(shè)備: LVD,PWM,WDT
輸入/輸出數(shù): 54
程序存儲(chǔ)器容量: 256KB(256K x 8)
程序存儲(chǔ)器類(lèi)型: 閃存
RAM 容量: 32K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 20x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-LQFP
包裝: 托盤(pán)
Electrical Characteristics
MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.7
Freescale Semiconductor
35
2.11.2
Timer (TPM/FTM) Module Timing
Synchronizer circuits determine the shortest input pulses that can be recognized or the fastest clock that
can be used as the optional external source to the timer counter. These synchronizers operate from the
current bus rate clock.
Figure 13. Timer External Clock
Figure 14. Timer Input Capture Pulse
2.11.3
MSCAN
Table 18. TPM/FTM Input Timing
NUM
C
Function
Symbol
Min
Max
Unit
1—
External clock frequency
fTPMext
DC
fBus/4
MHz
2—
External clock period
tTPMext
4—
tcyc
3D
External clock high time
tclkh
1.5
tcyc
4D
External clock low time
tclkl
1.5
tcyc
5D
Input capture pulse width
tICPW
1.5
tcyc
Table 19. MSCAN Wake-Up Pulse Characteristics
Num
C
Parameter
Symbol
Min
Typical1
1 Typical values are based on characterization data at V
DD = 5.0 V, 25 C unless otherwise stated.
Max
Unit
1
D
MSCAN wake-up dominant pulse filtered
tWUP
——
2
s
2
D
MSCAN wake-up dominant pulse pass
tWUP
5—
5
s
tTPMext
tclkh
tclkl
TPMxCLK
tICPW
TPMxCHn
tICPW
TPMxCHn
相關(guān)PDF資料
PDF描述
PCF51JM64VLH MCU 32BIT 64K FLASH 64-LQFP
PCF8574T/3,518 IC I/O EXPANDER I2C 8B 16SOIC
PCF8575CTS/1,118 IC I/O EXPANDER I2C 16B 24SSOP
PCF8575TS/1,112 IC I/O EXPANDER I2C 16B 24SSOP
PCI7620ZHK IC 2SLT PC CARD/SC CTLR 288-PBGA
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCF51AG128VLF 制造商:Freescale Semiconductor 功能描述:PCF51AG128VLF - Bulk
PCF51AG128VLH 制造商:Freescale Semiconductor 功能描述:PCF51AG128VLH - Bulk
PCF51AG128VLK 制造商:Freescale Semiconductor 功能描述:PCF51AG128VLK - Bulk
PCF51AG128VQH 制造商:Freescale Semiconductor 功能描述:PCF51AG128VQH - Bulk
PCF51CN128CGT 制造商:Freescale Semiconductor 功能描述:CF V1, LASKO, CIO - Trays