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Device Overview MC9S12G-Family
communication. Typical examples of these applications include body controllers, occupant detection, door
modules, seat controllers, RKE receivers, smart actuators, lighting modules, and smart junction boxes.
The MC9S12G-Family uses many of the same features found on the MC9S12XS- and MC9S12P-Family,
including error correction code (ECC) on ?ash memory, a fast analog-to-digital converter (ADC) and a
frequency modulated phase locked loop (IPLL) that improves the EMC performance.
The MC9S12G-Family is optimized for lower program memory sizes down to 16k. In order to simplify
customer use it features an EEPROM with a small 4 bytes erase sector size.
The MC9S12G-Family deliver all the advantages and ef?ciencies of a 16-bit MCU while retaining the low
cost, power consumption, EMC, and code-size ef?ciency advantages currently enjoyed by users of
Freescale’s existing 8-bit and 16-bit MCU families. Like the MC9S12XS-Family, the MC9S12G-Family
run 16-bit wide accesses without wait states for all peripherals and memories. The MC9S12G-Family is
available in 100-pin LQFP, 64-pin LQFP, 48-pin LQFP/QFN, 32-pin LQFP and 20-pin TSSOP package
options and aims to maximize the amount of functionality especially for the lower pin count packages. In
addition to the I/O ports available in each module, further I/O ports are available with interrupt capability
allowing wake-up from stop or wait modes.
1.2
Features
This section describes the key features of the MC9S12G-Family.
1.2.1
MC9S12G-Family Comparison
Table 1-1 provides a summary of different members of the MC9S12G-Family and their features. This
information is intended to provide an understanding of the range of functionality offered by this
microcontroller family.
Table 1-1. MC9S12G-Family Overview 1
Feature
CPU
CPU12V1
Flash memory
[kBytes]
EEPROM [kBytes]
RAM [kBytes]
MSCAN
SCI
SPI
16-Bit Timer
channels
8-Bit PWM channels
10-Bit ADC channels
16
0.5
1
—
1
1
6
6
8
16
0.5
1
—
1
1
6
6
—
32
1
2
—
1
1
6
6
8
32
1
2
—
1
1
6
6
—
48
1.5
4
—
2
2
6
6
12
48
1.5
4
1
2
2
6
6
12
48
1.5
4
1
2
2
6
6
—
64
2
4
1
2
2
6
6
12
64
2
4
1
2
2
6
6
—
96
3
8
1
3
3
8
8
12
96
3
8
1
3
3
8
8
—
128
4
8
1
3
3
8
8
12
128
4
8
1
3
3
8
8
—
192
4
11
1
3
3
8
8
16
192
4
11
1
3
3
8
8
—
240
4
11
1
3
3
8
8
16
240
4
11
1
3
3
8
8
—
MC9S12G Family Reference Manual, Rev.1.23
40
Freescale Semiconductor
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