T89C5121-ICUIL Atmel, T89C5121-ICUIL Datasheet - Page 76

• 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

Figure 31. Timer 0/Counter 0 in Mode 3: Two 8-bit Counters
76
INT0
A/T8xC5121
T0
TMOD.3
FCLK_Periph
GATE0
FCLK_Periph
TMOD.2
C/T0#
0
1
TCON.4
TR0
TCON.6
TR1
(8 bits)
(8 bits)
TH0
TL0
Overflow
Overflow
TCON.5
TCON.7
TF0
TF1
Timer 0
Interrupt
Request
Timer 1
Interrupt
Request
4164G–SCR–07/06