参数资料
型号: MC9S08QA2CFCE
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 10 MHz, MICROCONTROLLER, PDSO8
封装: 4 X 4 MM, 1 MM HEIGHT, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, DFN-8
文件页数: 27/32页
文件大小: 2317K
代理商: MC9S08QA2CFCE
MC9S08QA4 Series, Rev. 1
Pin Assignments
Freescale Semiconductor
4
Figure 2. MC9S08QA4 Series in 8-Pin Packages
Table 2-1. Pin Sharing Priority
PIN
Priority
8-Pin
Port Pin
Alt 1Alt 2Alt 3Alt 4
1PTA51
1 Pin does not contain a clamp diode to V
DD and must not be driven
above VDD. The voltage measured on the internally pulled-up RESET
pin will not be pulled to VDD. The internal gates connected to this pin
are pulled to VDD.
IRQ
TCLK
RESET
2
PTA4
ACMPO
BKGD
MS
3
VDD
4
VSS
5
PTA3
KBIP3
ADP3
6
PTA2
KBIP2
ADP2
7
PTA1
KBIP1
ADP12
2 If ACMP and ADC are both enabled, both will have access to the pin.
ACMP–2
8
PTA0
KBIP0
TPMCH0
ADP02
ACMP+2
Lowest
Highest
8-Pin PDIP/SOIC
1
2
3
4
8
7
6
5
8-Pin DFN
1
2
3
4
8
7
6
5
PTA0/KBIP0/TPMCH0/ADP0/ACMP+
PTA1/KBIP1/ADP1/ACMP–
PTA2/KBIP2/ADP2
PTA3/KBIP3/ADP3
VSS
VDD
PTA4/ACMPO/BKGD/MS
PTA5/IRQ/TCLK/RESET
PTA0/KBIP0/TPMCH0/ADP0/ACMP+
PTA1/KBIP1/ADP1/ACMP–
PTA2/KBIP2/ADP2
PTA3/KBIP3/ADP3
VSS
VDD
PTA4/ACMPO/BKGD/MS
PTA5/IRQ/TCLK/RESET
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