W78E516DPG Nuvoton Technology Corporation of America, W78E516DPG Datasheet - Page 23

• 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: -

Timer 0 MSB
Mnemonic: TH0
Timer 1 MSB
Mnemonic: TH1
AUXR
Mnemonic: AUXR
Watchdog Timer Control Register
Mnemonic: WDTC
Bit:
BIT
7-0
Bit:
BIT
7-0
Bit:
BIT
0
Bit:
BIT
7
6
5
2-0
NAME
TH0.[7:0]
NAME
TH1.[7:0]
NAME
ALE_OFF
NAME
ENW
CLRW
WIDL
PS2-0
7
TH0.7
7
TH1.7
7
-
7
ENW
FUNCTION
Timer 0 MSB.
FUNCTION
Timer 1 MSB.
FUNCTION
1: Disenable ALE output
0: Enable ALE output
FUNCTION
Enable watch-dog if set.
Clear watch-dog timer and prescaler if set. This flag will be cleared automatically.
If this bit is set, watch-dog is enabled under IDLE mode. If cleared, watch-dog is
disabled under IDLE mode. Default is cleared.
Watch-dog prescaler timer select. Prescaler is selected when set PS2−0 as
follows:
6
6
6
6
TH0.6
TH1.6
-
CLRW
Preliminary W78E516D/ W78E058D Data Sheet
5
TH0.5
5
TH1.5
5
-
5
WIDL
4
TH0.4
4
TH1.4
4
-
4
-
- 23 -
3
TH0.3
3
TH1.3
3
-
3
-
Publication Release Date: July 30, 2008
2
TH0.2
2
TH1.2
2
-
2
PS2
1
TH0.1
1
TH1.1
1
-
1
PS1
Address: 8Ch
Address: 8Dh
Address: 8Eh
Address: 8FH
Revision A01
0
TH0.0
0
TH1.0
0
ALE_OFF
0
PS0