mc9s08qg8 Freescale Semiconductor, Inc, mc9s08qg8 Datasheet - Page 29
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mc9s08qg8
Manufacturer Part Number
mc9s08qg8
Description
Hcs08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC9S08QG8.pdf
(300 pages)
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Freescale Semiconductor
Port Pins
Analog comparator
Serial peripheral interface
Keyboard interrupts
Timer/PWM
Inter-integrated circuit
Serial communications interface
Oscillator/clocking
Analog-to-digital
Power/core
Reset and interrupts
Signal Function
1
2
3
16-pin
Pin Number
Pin does not contain a clamp diode to V
The voltage measured on the internally pulled up RESET in will not be pulled
to V
IIC pins can be repositioned using IICPS in SOPT2, default reset locations are
on PTA2 and PTA3.
If ACMP and ADC are both enabled, both will have access to the pin.
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
DD
. The internal gates connected to this pin are pulled to V
8-pin
—
—
—
—
—
—
—
—
MC9S08QG8 and MC9S08QG4 Data Sheet, Rev. 1.01
1
2
3
4
5
6
7
8
PTAx, PTBx
ACMPO, ACMP–, ACMP+
SS, MISO, MOSI, SPSCK
KBIPx
TCLK, TPMCHx
SCL, SDA
TxD, RxD
EXTAL, XTAL
ADPx
BKGD/MS, V
RESET, IRQ
PTA5
PTA4
PTB7
PTB6
PTB5
PTB4
PTB3
PTB2
PTB1
PTB0
PTA3
PTA2
PTA1
PTA0
Port Pin
Lowest
Table 2-2. Pin Function Reference
Example(s)
Table 2-1. Pin Sharing Priority
1
DD
, V
IRQ
KBIP7
KBIP6
KBIP5
KBIP4
KBIP3
KBIP2
KBIP1
KBIP0
SS
Alt 1
DD
Chapter 6, “Parallel Input/Output
Chapter 8, “Analog Comparator
Chapter 15, “Serial Peripheral Interface (S08SPIV3)
Chapter 12, “Keyboard Interrupt
Chapter 16, “Timer/Pulse-Width Modulator
Chapter 11, “Inter-Integrated Circuit
Chapter 14, “Serial Communications Interface (S08SCIV3)
Chapter 10, “Internal Clock Source
Chapter 9, “Analog-to-Digital Converter
Chapter 2, “External Signal
Chapter 5, “Resets, Interrupts, and General System
TCLK
ACMPO
SCL
SDA
TPMCH1
MISO
MOSI
SPSCK
TxD
RxD
SCL
SDA
TPMCH0
and should not be driven above V
Priority
Alt 2
2
2
2
2
BKGD
EXTAL
XTAL
SS
ADP7
ADP6
ADP5
ADP4
ADP3
ADP2
ADP1
ADP0
Alt 3
3
3
DD
Reference
Chapter 2 External Signal Description
.
MS
V
V
ACMP–
ACMP+
DD
SS
Highest
RESET
Description”
Alt 4
(S08ACMPV2)”
(S08KBIV2)”
Control”
3
3
DD
(S08ICSV1)”
(S08IICV1)”
.
(S08ADC10V1)”
(S08TPMV2)”
Control”
29