MC68HC705C8ACFN Freescale Semiconductor, MC68HC705C8ACFN Datasheet - Page 109

• Manufacturer Part Number: MC68HC705C8ACFN
• Description: IC MCU 4MHZ 8K OTP 44-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of MC68HC705C8ACFN

• Core Processor: HC05
• Core Size: 8-Bit
• Speed: 2.1MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 24
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: OTP
• Ram Size: 304 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

9.3.1 Program Register
MC68HC705C8A — Rev. 3
MOTOROLA
Address:
The program register (PROG) shown in
programming.
LAT — Latch Enable Bit
PGM — Program Bit
Bits 1 and 3 7 — Not used; always read 0
Reset:
Read:
Write:
This bit is both readable and writable.
If LAT is cleared, PGM cannot be set.
Freescale Semiconductor, Inc.
For More Information On This Product,
1 = Enables PROM data and address bus latches for programming
0 = Latch disabled. PROM data and address buses are unlatched
1 = Enables V
0 = V
$001C
Bit 7
on the next byte write cycle
for normal CPU operations.
0
0
PP
EPROM/OTPROM (PROM)
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is disabled.
Figure 9-3. Program Register (PROG)
6
0
0
PP
power to the PROM for programming
5
0
0
4
0
0
EPROM/OTPROM (PROM) Programming
Figure 9-3
3
0
0
EPROM/OTPROM (PROM)
LAT
2
0
is used for PROM
1
0
0
Technical Data
PGM
Bit 0
0
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