W78E516B40DL Nuvoton Technology Corporation of America, W78E516B40DL Datasheet - Page 12

• Manufacturer Part Number: W78E516B40DL
• Description: IC MCU 8-BIT 64K FLASH 40-DIP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: W78r

Specifications of W78E516B40DL

• Core Processor: 8052
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: POR
• Number Of I /o: 32
• 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: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 40-DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

P2ECON (AEH)
5.11 Port 4 Base Address Registers
P40AH, P40AL:
The Base address register for comparator of P4.0. P40AH contains the high-order byte of address,
P40AL contains the low-order byte of address.
P41AH, P41AL:
The Base address register for comparator of P4.1. P41AH contains the high-order byte of address,
P41AL contains the low-order byte of address.
P42AH, P42AL:
The Base address register for comparator of P4.2. P42AH contains the high-order byte of address,
P42AL contains the low-order byte of address.
P43AH, P43AL:
The Base address register for comparator of P4.3. P43AH contains the high-order byte of address,
P43AL contains the low-order byte of address.
BIT
7
6
5
5
4
3
2
1
0
P43CSINV
P42CSINV The similarity definition as P43SINV.
P41CSINV The similarity definition as P43SINV.
P41CSINV The similarity definition as P43SINV.
P40CSINV The similarity definition as P43SINV.
NAME
-
-
-
-
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
= 0: P4.3 is active low when pin P4.3 is defined as read and/or write strobe
Reserve
Reserve
0
0
signal.
signal.
- 12 -
FUNCTION
W78E516B