W7100A WIZnet, W7100A Datasheet - Page 58

• Manufacturer Part Number: W7100A
• Description: 8-bit Microcontrollers - MCU 8051 CORE+HARDWIRED TCP/IP+MAC+PHY
• Manufacturer: WIZnet

Specifications of W7100A

• Rohs: yes
• Core: 8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 25 MHz
• Program Memory Size: 255 B
• Data Ram Size: 64 KB
• On-chip Adc: No
• Operating Supply Voltage: 3 V to 3.6 V
• Operating Temperature Range: - 40 C to + 80 C
• Package / Case: LQFP-100
• Mounting Style: SMD/SMT
• Interface Type: UART
• Program Memory Type: Flash

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5.2.2 Interrupts
and priorities can be configured by the IP register.
The interrupt bits for Timer2 are shown below. An interrupt can be toggled by the IE register,
EA
7
Figure 5.14 Timer/Counter2, 16-Bit Timer/Counter with Auto-Reload
EXEN2 - Enable T2EX pin functionality
CPRL2 - Capture/Reload select
TR2 - Start/Stop Timer2
CT2 - Timer/Counter select
6
-
0: Stop
1: Start
0: Internally clocked timer
1: External event counter. Clock source is T2 pin
0: Automatic reload occurs when Timer2 overflow or falling edge of
1: On the falling edge of T2EX pin, capture is activated when EXEN
Figure 5.15 Interrupt Enable Register — Timer2
1: UART transmitter is clocked by Timer2 overflow pulses
0: Ignore T2EX events
1: Allow capture or reload as a result of T2EX pin falling edge
ET2
2=1.
5
the T2EX pin with EXEN2=1. When RCLK or TCLK is set, this bit
is ignored and automatic reload when Timer2 overflows.
ES
4
IE (0xA8)
ET1
3
EX1
2
ET0
1
EX0
Ver. 1.12
0
Reset
0x00
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