MC68HC705C9ACP Freescale Semiconductor, MC68HC705C9ACP Datasheet - Page 114
MC68HC705C9ACP
Manufacturer Part Number
MC68HC705C9ACP
Description
IC MCU 2.1MHZ 16K OTP 40-DIP
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC705C9ACPE.pdf
(118 pages)
Specifications of MC68HC705C9ACP
Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
24
Program Memory Size
16KB (16K x 8)
Program Memory Type
OTP
Ram Size
352 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
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Part Number:
MC68HC705C9ACP
Manufacturer:
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EPROM Programming
A.4 Programming Register (PROG)
This register is used to program the EPROM array. To program a byte of EPROM, set LATCH, write data
to the desired address, and set EPGM for t
LATCH — EPROM Latch Control Bit
EPGM — EPROM Program Control Bit
114
This read/write bit controls the latching of the address and data buses when programming the EPROM.
This read/write bit controls whether the programming voltage is applied to the EPROM array. For
programming, this bit can be set only if the LATCH bit has been set previously. Both EPGM and LATCH
cannot be set in the single write.
1 = Address and data buses latched when the following instruction is a write to 1 of the EPROM
0 = EPROM address and data bus configured for normal reading
1 = Programming voltage applied to EPROM array
0 = Programming voltage not applied to EPROM array
locations. Normal reading is disabled if LATCH = 1.
Bits 7–3 and bit 1 MUST be set to 0 when writing to the EPROM
programming register.
$001X
Reset:
Read:
Write:
Bit 7
0
MC68HC05C9A Advance Information Data Sheet, Rev. 4.1
Figure A-1. EPROM Programming Register
6
0
5
0
EPGM
.
NOTE
4
0
3
0
LATCH
2
0
1
0
Freescale Semiconductor
EPGM
Bit 0
0
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