W78E516DPG Nuvoton Technology Corporation of America, W78E516DPG Datasheet - Page 24

• 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: -

Port 1
Mnemonic: P1
P4.1 Base Address Low Byte Register
Mnemonic: P41AL
P4.1 Base Address High Byte Register
Mnemonic: P41AH
Serial Port Control
Bit:
BIT
7-0
Bit:
BIT
7-0
Bit:
BIT
7-0
Bit:
NAME
P1.[7:0]
NAME
P41AL.[7:0]
NAME
P41AH.[7:0]
7
P1.7
7
P41AL.7
7
P41AH.7
7
SM0/FE
FUNCTION
General purpose I/O 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.
6
P1.6
6
P41AL.6
6
P41AH.6
6
SM1
0
0
0
0
1
1
1
1
FUNCTION
The Base address register for comparator of P4.1. P41AL contains the low-
order byte of address.
FUNCTION
The Base address register for comparator of P4.1. P41AH contains the High-
order byte of address.
PS2 PS1 PS0
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Preliminary W78E516D/W78E058D Data Sheet
5
P1.5
5
P41AL.5
5
P41AH.5
5
SM2
2
4
8
16
32
64
128
256
4
4
4
P1.4
P41AL.4
P41AH.4
4
REN
PRESCALER SELECT
- 24 -
3
P1.3
3
P41AL.3
3
P41AH.3
3
TB8
2
P1.2
2
P41AL.2
2
P41AH.2
2
RB8
1
P1.1
1
P41AL.1
1
P41AH.1
1
TI
Address: 90h
Address: 94h
Address: 95h
0
P1.0
0
P41AL.0
0
P41AH.0
0
RI