W78E052DDG Nuvoton Technology Corporation of America, W78E052DDG Datasheet - Page 30

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W78E052DDG

Manufacturer Part Number
W78E052DDG
Description
IC MCU 8-BIT 8K FLASH 40-DIP
Manufacturer
Nuvoton Technology Corporation of America
Series
W78r
Datasheet

Specifications of W78E052DDG

Core Processor
8052
Core Size
8-Bit
Speed
40MHz
Connectivity
EBI/EMI, UART/USART
Peripherals
POR, WDT
Number Of I /o
36
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-

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W78E052DDG
0
Mnemonic: SFRAL
SFR program of address high
Mnemonic: SFRAH
SFR program For Data
Mnemonic: SFRFD
SFR for Program Control
Mnemonic: SFRCN
BIT
5
4
3-0
BIT
7-0
Bit:
BIT
7-0
Bit:
BIT
7-0
Bit:
Flash Standby
Read Company ID
Read Device ID High
Read Device ID Low
Erase APROM
Erase Verify APROM
Program APROM
CTRL[3:0]
NAME
OEN
CEN
NAME
SFRAL.[7:0]
7
SFRAH.7
NAME
SFRAH.[7:0]
7
SFRFD.7
NAME
SFRFD.[7:0]
7
-
Mode
FUNCTION
FLASH EPROM output enable.
FLASH EPROM chip enable.
CTRL[3:0]: The flash control signals
6
6
6
SFRAH.6
SFRFD.6
FUNCTION
The programming address of on-chip flash memory in programming mode.
SFRFAL contains the low-order byte of address.
FUNCTION
The programming address of on-chip flash memory in programming mode.
SFRFAH contains the high-order byte of address.
FUNCTION
The programming data for on-chip flash memory in programming mode.
OEN
1
0
0
1
1
0
1
5
SFRAH.5
5
SFRFD.5
5
OEN
W78E054D/W78E052D/W78E051D Data Sheet
4
4
4
CEN
SFRAH.4
SFRFD.4
CEN
1
0
0
0
0
0
0
- 30 -
3
SFRAH.3
3
SFRFD.3
3
CTRL3
CTRL<3:0>
1011
1100
1100
0010
1001
0001
X
2
SFRAH.2
2
SFRFD.2
2
CTRL2
SFRAH, SFRAL
0FFh, 0FEh
0FFh, 0FFh
0FFh, 0FFh
Address in
Address in
X
X
1
SFRAH.1
1
SFRFD.1
1
CTRL1
Address: C4h
Address: C5h
Address: C6h
Address: C7h
Data out
Data out
Data out
Data out
0
SFRAH.0
0
0
CTRL0
SFRFD.0
Data in
SFRFD
X
X

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