參數(shù)資料
型號: PCF51AC256BCPUE
廠商: Freescale Semiconductor
文件頁數(shù): 23/42頁
文件大?。?/td> 0K
描述: MCU 8BIT 256K FLASH 64-LQFP
標準包裝: 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
外圍設備: LVD,PWM,WDT
輸入/輸出數(shù): 54
程序存儲器容量: 256KB(256K x 8)
程序存儲器類型: 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
MCF51AC256 Family Configurations
MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.7
Freescale Semiconductor
3
1
MCF51AC256 Family Configurations
1.1
Device Comparison
The MCF51AC256 series is summarized in Table 1.
Table 1. MCF51AC256 Series Device Comparison
Feature
MCF51AC256A
MCF51AC256B
MCF51AC128A
MCF51AC128C
80-pin
64-pin
80-pin
64-pin 44-pin
80-pin
64-pin
80-pin
64-pin
44-pin
Flash memory size (Kbytes)
256
128
RAM size (Kbytes)
32
32 or 161
V1 ColdFire core with BDM (background
debug module)
Yes
ACMP1 (analog comparator)
Yes
ACMP2 (analog comparator)
Yes
No
Yes
No
ADC (analog-to-digital converter) channels
(12-bit)
24
20
24
20
9
24
20
24
20
9
CAN (controller area network)
Yes
No
Yes
No
COP (computer operating properly)
Yes
CRC (cyclic redundancy check)
Yes
RTI
Yes
DBG (debug)
Yes
IIC1 (inter-integrated circuit)
Yes
IRQ (interrupt request input)
Yes
INTC (interrupt controller)
Yes
KBI (keyboard interrupts)
Yes
LVD (low-voltage detector)
Yes
MCG (multipurpose clock generator)
Yes
OSC (crystal oscillator)
Yes
Port I/O2
69
54
69
54
36
69
54
69
54
36
RGPIO (rapid general-purpose I/O)
16
12
16
12
SCI1, SCI2 (serial communications
interfaces)
Yes
SPI1 (serial peripheral interface)
Yes
SPI2 (serial peripheral interface)
Yes
No
Yes
No
Yes
No
Yes
No
FTM1 (flexible timer module) channels
6
4
6
4
FTM2 channels
6
2
6
2
6
2
6
2
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