W78E516DPG Nuvoton Technology Corporation of America, W78E516DPG Datasheet - Page 20

• 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: -

P4.0 Base Address Low Byte Register
Mnemonic: P40AL
P4.0 Base Address High Byte Register
Mnemonic:P40AH
Port Option Register
Mnemonic: POR
Power Control
Mnemonic: PCON
BIT
BIT
7-0
Bit:
BIT
7-0
Bit:
BIT
7-0
Bit:
BIT
0
Bit:
7
6
5
4
NAME
NAME
DPH.[7:0]
NAME
P40AL.[7:0]
NAME
P40AH.[7:0]
NAME
P0UP
7
P40AL.7
7
P40AH.7
7
-
SMOD
SMOD
0
-
POR
7
SMOD
FUNCTION
1: This bit doubles the serial port baud rate in mode 1, 2, and 3 when set to 1.
0: Framing Error Detection Disable. SCON.7 (SM0/FE) bit is used as SM0
1: Framing Error Detection Enable. SCON.7 (SM0/FE) bit is used to reflect as
Reserved
0: Cleared by software.
FUNCTION
0: Port 0 pins are open-drain.
1: Port 0 pins are internally pulled-up. Port 0 is structurally the same as Port 2.
6
P40AL.6
6
P40AH.6
6
-
6
SMOD0
(standard 8052 function).
Frame Error (FE) status flag.
FUNCTION
This is the high byte of the standard 8052 16-bit data pointer.
FUNCTION
The Base address register for comparator of P4.0. P40AL contains the low-
order byte of address.
FUNCTION
The Base address register for comparator of P4.0. P40AH contains the High-
order byte of address.
Preliminary W78E516D/W78E058D Data Sheet
5
P40AL.5
5
P40AH.5
5
-
5
-
4
4
4
P40AL.4
P40AH.4
-
4
-
- 20 -
3
P40AL.3
3
P40AH.3
3
-
3
GF1
2
P40AL.2
2
P40AH.2
2
-
2
GF0
1
P40AL.1
1
P40AH.1
1
-
1
PD
Address: 84h
Address: 85h
Address: 86h
Address: 87h
0
P40AL.0
0
P40AH.0
0
P0UP
0
IDL