W78E516DPG Nuvoton Technology Corporation of America, W78E516DPG Datasheet - Page 27

• Manufacturer Part Number: W78E516DPG
• Description: IC MCU 8-BIT 64K FLASH 44-PLCC
• Manufacturer: Nuvoton Technology Corporation of America
• Series: W78r

Specifications of W78E516DPG

• 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: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

Mnemonic:P42AH
Port 2 Expanded Control
Mnemonic: P2ECON
Port 3
Mnemonic: P3
P4.3 Base Address Low Byte Register
BIT
7-0
Bit:
BIT
7
6
5
4
Bit:
BIT
7
6
5
4
3
2
1
0
Bit:
P3.7-0: General purpose Input/Output port. Most instructions will read the port pins in case of a port
read access, however in case of read-modify-write instructions, the port latch is read. These
alternate functions are described below:
NAME
P42AH.[7:0]
NAME
P43CSINV
P42CSINV
P41CSINV
P40CSINV
P3.7
P3.6
P3.5
P3.4
P3.3
P3.2
P3.1
P3.0
7
P43CSIN
7
P3.7
NAME
7
6
6
P42CSIN
P3.6
6
FUNCTION
T1
T0
TX
RX
RD
INT1
INT0
WR
FUNCTION
The Base address register for comparator of P4.2. P42AH contains the High-
order byte of address.
FUNCTION
The active polarity of P4.3 when pin P4.3 is defined as read and/or write strobe signal.
1 : P4.3 is active high when pin P4.3 is defined as read and/or write strobe signal.
0 : P4.3 is active low when pin P4.3 is defined as read and/or write strobe signal.
The similarity definition as P43SINV.
The similarity definition as P43SINV.
The similarity definition as P43SINV.
Preliminary W78E516D/ W78E058D Data Sheet
5
P3.5
5
P41CSIN
5
4
P3.4
4
P40CSIN
4
- 27 -
3
P3.3
3
-
3
Publication Release Date: July 30, 2008
2
2
P3.2
2
-
1
-
1
P3.1
1
Address: ADh
Address:AEh
Address: B0h
Revision A01
0
-
0
P3.0
0