MCHC908JW32FAE Freescale Semiconductor, MCHC908JW32FAE Datasheet - Page 181

• Manufacturer Part Number: MCHC908JW32FAE
• Description: IC MCU 32K FLASH 8MHZ 48-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MCHC908JW32FAE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SPI, USB
• Peripherals: LED, LVD, POR, PWM
• Number Of I /o: 29
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 3.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 48-LQFP
• Controller Family/series: HC08
• No. Of I/o's: 48
• Ram Memory Size: 1KB
• Cpu Speed: 8MHz
• No. Of Timers: 1
• Embedded Interface Type: SPI
• Rohs Compliant: Yes
• Processor Series: HC08JW
• Core: HC08
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: SPI, USB
• Number Of Programmable I/os: 29
• Number Of Timers: 2
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: FSICEBASE, DEMO908GZ60E, M68EML08GZE, KITUSBSPIDGLEVME, KITUSBSPIEVME, KIT33810EKEVME
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

Figure 13-16
When bit DDREx is a logic 1, reading address $0008 reads the PTEx data latch. When bit DDREx is a
logic 0, reading address $0008 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
shows the port E I/O circuit logic.
1. X = don’t care
2. Hi-Z = high impedance
3. Writing affects data register, but does not affect input.
DDRE
Bit
0
1
READ DDRE ($0009)
WRITE DDRE ($0009)
WRITE PTE ($0008)
READ PTE ($0008)
PTE
X
Bit
X
(1)
Table 13-9. Port E Pin Functions
RESET
Figure 13-16. Port E I/O Circuit
MC68HC908JW32 Data Sheet, Rev. 6
I/O Pin Mode
Input, Hi-Z
Output
Table 13-5
(2)
DDREx
PTEx
Read/Write
DDRE[7:2]
DDRE[7:2]
Accesses
to DDRE
summarizes the operation of the port E pins.
PTE[7:2]
Read
Pin
Accesses to PTE
PTE[7:2]
PTE[7:2]
Write
PTEx
(3)
Port E
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