MC908GZ32CFAE Freescale Semiconductor, MC908GZ32CFAE Datasheet - Page 137
![IC MCU 32K FLASH 8MHZ 48-LQFP](/photos/37/62/376278/tqfp-48_sml.jpg)
MC908GZ32CFAE
Manufacturer Part Number
MC908GZ32CFAE
Description
IC MCU 32K FLASH 8MHZ 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908GZ60CFJE.pdf
(352 pages)
Specifications of MC908GZ32CFAE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
37
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 24x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
Processor Series
HC08GZ
Core
HC08
Data Bus Width
8 bit
Data Ram Size
1.5 KB
Interface Type
CAN/ESCI/SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
53
Number Of Timers
8
Operating Supply Voltage
5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, DEMO908GZ60E, M68EML08GZE
Minimum Operating Temperature
- 40 C
On-chip Adc
24-ch x 10-bit
Controller Family/series
HC08
No. Of I/o's
37
Ram Memory Size
1.5KB
Cpu Speed
8MHz
No. Of Timers
2
Embedded Interface Type
CAN, SCI, SPI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC908GZ32CFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Part Number:
MC908GZ32CFAE
Manufacturer:
FREESCALE
Quantity:
20 000
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12.3 External Pins
The MSCAN08 uses two external pins, one input (CAN
pin represents the logic level on the CAN: 0 is for a dominant state, and 1 is for a recessive state.
A typical CAN system with MSCAN08 is shown in
Each CAN station is connected physically to the CAN bus lines through a transceiver chip. The
transceiver is capable of driving the large current needed for the CAN and has current protection against
defected CAN or defected stations.
12.4 Message Storage
MSCAN08 facilitates a sophisticated message storage system which addresses the requirements of a
broad range of network applications.
12.4.1 Background
Modern application layer software is built under two fundamental assumptions:
Above behavior cannot be achieved with a single transmit buffer. That buffer must be reloaded right after
the previous message has been sent. This loading process lasts a definite amount of time and has to be
Freescale Semiconductor
1. Any CAN node is able to send out a stream of scheduled messages without releasing the bus
2. The internal message queue within any CAN node is organized as such that the highest priority
between two messages. Such nodes will arbitrate for the bus right after sending the previous
message and will only release the bus in case of lost arbitration.
message will be sent out first if more than one message is ready to be sent.
MC68HC908GZ60 • MC68HC908GZ48 • MC68HC908GZ32 Data Sheet, Rev. 6
CAN_H
CAN NODE 1
CAN
TRANSCEIVER
MCU
CAN CONTROLLER
TX
Figure 12-2. The CAN System
(MSCAN08)
CAN
CAN_L
RX
C A N BUS
Figure
CAN STATION 1
RX
CAN NODE 2
12-2.
) and one output (CAN
CAN NODE N
TX
). The CAN
External Pins
TX
output
137
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