MC908AZ32ACFU Freescale Semiconductor, MC908AZ32ACFU Datasheet - Page 245

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MC908AZ32ACFU

Manufacturer Part Number
MC908AZ32ACFU
Description
IC MCU 32K FLASH 8.4MHZ 64-QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet

Specifications of MC908AZ32ACFU

Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
40
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 15x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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When bit DDRAx is a logic 1, reading address $0000 reads the PTAx data latch. When bit DDRAx is a
logic 0, reading address $0000 reads the voltage level on the pin. The data latch can always be written,
regardless of the state of its data direction bit.
Freescale Semiconductor
X = don’t care
Hi-Z = high impedance
1. Writing affects data register, but does not affect input.
DDRA
Bit
0
1
READ DDRA ($0004)
WRITE DDRA ($0004)
WRITE PTA ($0000)
READ PTA ($0000)
PTA
Bit
X
X
Table 23-1. Port A Pin Functions
RESET
MC68HC908AZ32A Data Sheet, Rev. 2
Figure 23-4. Port A I/O Circuit
I/O Pin Mode
Input, Hi-Z
Output
Table 23-1
DDRAx
PTAx
Accesses to
Read/Write
DDRA[7:0]
DDRA[7:0]
DDRA
summarizes the operation of the port A pins.
PTA[7:0]
Read
Pin
Accesses to PTA
PTA[7:0]
PTA[7:0]
Write
PTAx
(1)
Port A
245

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