TS87C51RC2-VIA Atmel, TS87C51RC2-VIA Datasheet - Page 42
TS87C51RC2-VIA
Manufacturer Part Number
TS87C51RC2-VIA
Description
IC MCU 8BIT 32K OTP 40MHZ 40-DIP
Manufacturer
Atmel
Series
87Cr
Specifications of TS87C51RC2-VIA
Core Processor
8051
Core Size
8-Bit
Speed
40/30MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (32K x 8)
Program Memory Type
OTP
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
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AT/TS8xC51Rx2
Table 6-18.
Reset Value = X000 0000b
Bit addressable
Bit Number
7
7
6
5
4
3
2
1
0
-
Bit Mnemonic
IP Register
IP - Interrupt Priority Register (B8h)
PPC
6
PPC
PT2
PT1
PX1
PT0
PX0
PS
-
PT2
5
Description
Reserved
The value read from this bit is indeterminate. Do not set this bit.
PCA interrupt priority bit
Refer to PPCH for priority level.
Timer 2 overflow interrupt Priority bit
Refer to PT2H for priority level.
Serial port Priority bit
Refer to PSH for priority level.
Timer 1 overflow interrupt Priority bit
Refer to PT1H for priority level.
External interrupt 1 Priority bit
Refer to PX1H for priority level.
Timer 0 overflow interrupt Priority bit
Refer to PT0H for priority level.
External interrupt 0 Priority bit
Refer to PX0H for priority level.
PS
4
PT1
3
PX1
2
PT0
1
4188F–8051–01/08
PX0
0
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