參數(shù)資料
型號: MC9S12XDP512CAG
廠商: Freescale Semiconductor
文件頁數(shù): 675/1348頁
文件大?。?/td> 0K
描述: IC MCU 512K FLASH 144-LQFP
標(biāo)準(zhǔn)包裝: 300
系列: HCS12X
核心處理器: HCS12X
芯體尺寸: 16-位
速度: 80MHz
連通性: CAN,EBI/EMI,I²C,IrDA,LIN,SCI,SPI
外圍設(shè)備: LVD,POR,PWM,WDT
輸入/輸出數(shù): 119
程序存儲器容量: 512KB(512K x 8)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 4K x 8
RAM 容量: 32K x 8
電壓 - 電源 (Vcc/Vdd): 2.35 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 24x10b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 144-LQFP
包裝: 托盤
配用: DEMO9S12XDT512E-ND - BOARD DEMO FOR MC9S12XDT512
EVB9S12XDP512E-ND - BOARD DEMO FOR MC9S12XDP512
Chapter 8 Pulse-Width Modulator (S12PWM8B8CV1)
MC9S12XDP512 Data Sheet, Rev. 2.21
392
Freescale Semiconductor
Either left aligned or center aligned output mode can be used in concatenated mode and is controlled by
the low order CAEx bit. The high order CAEx bit has no effect.
Table 8-11 is used to summarize which channels are used to set the various control bits when in 16-bit
mode.
8.4.2.8
PWM Boundary Cases
Table 8-12 summarizes the boundary conditions for the PWM regardless of the output mode (left aligned
or center aligned) and 8-bit (normal) or 16-bit (concatenation).
8.5
Resets
The reset state of each individual bit is listed within the Section 8.3.2, “Register Descriptions” which
details the registers and their bit-elds. All special functions or modes which are initialized during or just
following reset are described within this section.
The 8-bit up/down counter is congured as an up counter out of reset.
All the channels are disabled and all the counters do not count.
Table 8-11. 16-bit Concatenation Mode Summary
CONxx
PWMEx
PPOLx
PCLKx
CAEx
PWMx
Output
CON67
PWME7
PPOL7
PCLK7
CAE7
PWM7
CON45
PWME5
PPOL5
PCLK5
CAE5
PWM5
CON23
PWME3
PPOL3
PCLK3
CAE3
PWM3
CON01
PWME1
PPOL1
PCLK1
CAE1
PWM1
Table 8-12. PWM Boundary Cases
PWMDTYx
PWMPERx
PPOLx
PWMx Output
$00
(indicates no duty)
>$00
1
Always low
$00
(indicates no duty)
>$00
0
Always high
XX
$001
(indicates no period)
1 Counter = $00 and does not count.
1
Always high
XX
$001
(indicates no period)
0
Always low
>= PWMPERx
XX
1
Always high
>= PWMPERx
XX
0
Always low
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