MC68331CEH25 Freescale Semiconductor, MC68331CEH25 Datasheet - Page 229

• Manufacturer Part Number: MC68331CEH25
• Description: IC MCU 32BIT 25MHZ 132-PQFP
• Manufacturer: Freescale Semiconductor
• Series: M683xxr

Specifications of MC68331CEH25

• Core Processor: CPU32
• Core Size: 32-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, SCI, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Type: ROMless
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 132-QFP
• Controller Family/series: 68K
• No. Of I/o's: 18
• Cpu Speed: 25MHz
• No. Of Timers: 1
• Embedded Interface Type: QSPI, SCI, UART
• No. Of Pwm Channels: 2
• Digital Ic Case Style: PQFP
• Rohs Compliant: Yes
• Processor Series: M683xx
• Core: CPU32
• Data Bus Width: 32 bit
• Data Ram Size: 80 B
• Interface Type: QSPI, SCI, UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 18
• Number Of Timers: 1
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Eeprom Size: -
• Ram Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

D.3.15 SWSR — Software Service Register
D.3.16 TSTMSRA — Master Shift Register A
D.3.17 TSTMSRB — Master Shift Register B
D.3.18 TSTSC — Test Module Shift Count
D.3.19 TSTRC — Test Module Repetition Count
D.3.20 CREG — Test Submodule Control Register
D.3.21 DREG — Distributed Register
D.3.22 PORTC — Port C Data Register
D.3.23 CSPAR0 — Chip Select Pin Assignment Register 0
MC68331
USER’S MANUAL
15
15
15
0
0
When the software watchdog is enabled, a service sequence must be written to this
register within a specific interval. When read, SWSR always returns $00. Register
shown with read value.
Register is used for factory test only.
Register is used for factory test only.
Register is used for factory test only.
Register is used for factory test only.
Register is used for factory test only.
Register is used for factory test only.
PORTC latches data for chip-select pins that are used for discrete output.
RESET:
RESET:
RESET:
14
0
0
DATA2
13
CSPA0[6]
NOT USED
NOT USED
12
1
Freescale Semiconductor, Inc.
DATA2
For More Information On This Product,
11
CSPA0[5]
10
1
Go to: www.freescale.com
REGISTER SUMMARY
DATA2
CSPA0[4]
9
8
8
8
1
DATA1
7
0
0
7
0
0
CSPA0[3]
7
PC6
6
0
0
6
1
6
1
DATA1
PC5
5
0
0
5
1
CSPA0[2]
5
PC4
4
0
0
4
1
4
1
DATA1
PC3
3
0
0
3
1
CSPA0[1]
3
PC2
2
0
0
2
1
2
1
$YFFA3A
$YFFA27
$YFFA30
$YFFA32
$YFFA34
$YFFA36
$YFFA38
$YFFA41
$YFFA44
PC1
1
1
1
0
0
1
1
CSBOOT
DATA0
D-21
PC0
0
0
0
0
0
1
D