参数资料
型号: PCF51AC256BCFUE
厂商: Freescale Semiconductor
文件页数: 23/42页
文件大小: 0K
描述: MCU 8BIT 256K FLASH 64-QFP
标准包装: 84
系列: MCF51AC
核心处理器: Coldfire V1
芯体尺寸: 32-位
速度: 50MHz
连通性: I²C,SCI,SPI
外围设备: LVD,PWM,WDT
输入/输出数: 54
程序存储器容量: 256KB(256K x 8)
程序存储器类型: 闪存
RAM 容量: 32K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
数据转换器: A/D 20x12b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 64-QFP
包装: 托盘
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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