MC9S08GT16A Datasheet, PDF (27/300 Pages) Freescale Semiconductor, Inc – Microcontrollers

Pins and Connections
2.3 Recommended System Connections
Figure 2-5 shows pin connections that are common to almost all MC9S08GT16A application systems. A
more detailed discussion of system connections follows.
SYSTEM
POWER
+
3V
V_DD
C_BLK ⁺
10 µF
C_BYAD
0.1 µF
C_BY
0.1 µF
BACKGROUND HEADER
V_DD
BKGD/MS
V_DD
4.7 kΩ–10 kΩ
0.1 µF
OPTIONAL
MANUAL
RESET
ASYNCHRONOUS
INTERRUPT
INPUT
V_DD
4.7 kΩ–10 kΩ
0.1 µF
V_REFH
V_DDAD
MC9S08GT16A
V_SSAD
V_REFL
V_DD
PORT
A
V_SS
NOTE4
V_SS
PORT
B
RESET
NOTE 3
IRQ
NOTE 3
PORT
C
PTA0/KBIP0
PTA1/KBIP1
PTA2/KBIP2
PTA3/KBIP3
PTA4/KBIP4
PTA5/KBIP5
PTA6/KBIP6
PTA7/KBIP7
PTB0/ADP0
PTB1/ADP1
PTB2/ADP2
PTB3/ADP3
PTB4/ADP4
PTB5/ADP5
PTB6/ADP6
PTB7/ADP7
PTC0/TxD2
PTC1/RxD2
PTC2/SDA
PTC3/SCL
PTC4
PTC5
PTC6
PTC7
I/O AND
PERIPHERAL
INTERFACE TO
APPLICATION
SYSTEM
PTG0/BKDG/MS
PTG1/XTAL
PTG2/EXTAL
PTG3
PORT
G
PORT
D
PTD0/TPM1CLK/TPM1CH0
PTD1/TPM1CH1
PTD2/TPM1CH2
PTD3/TPM2CLK/TPM2CH0
PTD4/TPM2CH1
NOTE 1
C1
R_F
X1
C2
R_{S XTAL}
EXTAL
PORT
E
PTE0/TxD1
PTE1/RxD1
PTE2/SS
PTE3/MISO
PTE4/MOSI
PTE5/SPSCK
NOTES:
1. Not required if using the internal oscillator option.
2. The 48-pin QFN has 2 V_SS pins (V_SS1 and V_SS2), both of which must be connected to GND.
3. RC filters on RESET and IRQ are recommended for EMC-sensitive applications and systems.
Figure 2-5. Basic System Connections
MC9S08GT16A/GT8A Data Sheet, Rev. 1
Freescale Semiconductor
27