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| MC9S08AC16_08 Datasheet, PDF (31/344 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit (CPU) | |||
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Chapter 2 Pins and Connections
SYSTEM
POWER
+
5V
VDD
CBLK +
10 μF
CBYAD
0.1 μF
CBY
0.1 μF
NOTE 1
C1
RF
RS
X1
C2
BACKGROUND HEADER
VREFH
VDDAD
MC9S08AC16
VSSAD
VREFL
VDD
PORT
A
VSS (x2)
PORT
B
XTAL
NOTE 2
EXTAL
NOTE 2
PORT
C
VDD
BKGD/MS
VDD
4.7 kΩâ10 kΩ
OPTIONAL
MANUAL
RESET
0.1 μF
VDD
ASYNCHRONOUS
INTERRUPT
INPUT
4.7 k멉
10 kΩ
0.1 μF
RESET
NOTE 3
TPMCLK/IRQ
NOTE 3
PORT
D
PORT
E
PTG0/KBIP0
PTG1/KBIP1
PTG2/KBIP2
PTG3/KBIP3
PTG4/KBIP4
PTG5/XTAL
PTG6/EXTAL
PORT
G
PORT
F
NOTES:
1. Not required if using the internal clock option.
2. XTAL and EXTAL are PTG5 and PTG6 respectively.
3. RC filters on RESET and IRQ are recommended for EMC-sensitive applications.
4. TPM3 is not available on MC9S08AWxxA.
Figure 2-4. Basic System Connections
PTA0
PTA1
PTA2
PTA7
PTB0/AD1P0/TPM3CH0 NOTE 4
PTB1/AD1P1/TPM3CH1 NOTE 4
PTB2/AD1P2
PTB3/AD1P3
PTC0/SCL1
PTC1/SDA1
PTC2/MCLK
PTC3/TxD2
PTC4
PTC5/RxD2
I/O AND
PERIPHERAL
INTERFACE TO
APPLICATION
PTD0/AD1P8
SYSTEM
PTD1/AD1P9
PTD2/AD1P10/KBIP5
PTD3/AD1P11/KBIP6
PTE0/TxD1
PTE1/RxD1
PTE2/TPM1CH0
PTE3/TPM1CH1
PTE4/SS1
PTE5/MISO1
PTE6/MOSI1
PTE7/SPSCK1
PTF0/TPM1CH2
PTF1/TPM1CH3
PTF4/TPM2CH0
PTF5/TPM2CH1
PTF6
MC9S08AC16 Series Data Sheet, Rev. 6
Freescale Semiconductor
31
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