T89C5121-ICUIL Atmel, T89C5121-ICUIL Datasheet - Page 80

• Manufacturer Part Number: T89C5121-ICUIL
• Description: IC 8051 MCU W/SMART CARD 24SSOP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of T89C5121-ICUIL

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SmartCard, UART/USART
• Peripherals: LED, POR, WDT
• Number Of I /o: 14
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: Flash RAM
• Eeprom Size: 16K x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.85 V ~ 5.4 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 24-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -
• Other names: Q1468934; T89C5121-ICSIL; T89C5121-ICSIL

80
A/T8xC5121
Table 57. TH0 Register
TH0 (S:8Ch) - Timer 0 High Byte Register.
Reset Value = 0000 0000b
Table 58. TL0 Register
TL0 (S:8Ah) - Timer 0 Low Byte Register.
Reset Value = 0000 0000b
Table 59. TH1 Register
TH1 (S:8Dh) - Timer 1 High Byte Register.
Reset Value = 0000 0000b
Table 60. TL1 Register
TL1 (S:8Bh) - Timer 1 Low Byte Register.
Reset Value = 0000 0000b
Number
Number
Number
Number
Bit
Bit
Bit
Bit
7:0
7:0
7:0
7:0
7
7
7
7
Mnemonic Description
Mnemonic Description
Mnemonic Description
Mnemonic Description
Bit
Bit
Bit
Bit
6
6
6
6
High Byte of Timer 0
Low Byte of Timer 0
High Byte of Timer 1
Low Byte of Timer 1
5
5
5
5
4
4
4
4
3
3
3
3
2
2
2
2
1
1
1
1
4164G–SCR–07/06
0
0
0
0