TS87C52X2-VIA Atmel, TS87C52X2-VIA Datasheet - Page 21
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TS87C52X2-VIA
Manufacturer Part Number
TS87C52X2-VIA
Description
IC MCU 8BIT 8K OTP 40MHZ 40-DIP
Manufacturer
Atmel
Series
87Cr
Datasheet
1.TS87C52X2-VCA.pdf
(55 pages)
Specifications of TS87C52X2-VIA
Core Processor
8051
Core Size
8-Bit
Speed
60/30MHz
Connectivity
UART/USART
Peripherals
POR
Number Of I /o
32
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
256 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
-
4184G–8051–09/06
Table 10. PCON Register
PCON - Power Control Register (87h)
Reset Value = 00X1 0000b
Not bit addressable
Power-off flag reset value will be 1 only after a power on (cold reset). A warm reset
doesn’t affect the value of this bit.
SMOD1
Number
Bit
7
7
6
5
4
3
2
1
0
Mnemonic
SMOD0
SMOD1
SMOD0
POF
6
GF1
GF0
Bit
PD
IDL
-
Description
Serial port Mode bit 1
Set to select double baud rate in mode 1, 2 or 3.
Serial port Mode bit 0
Clear to select SM0 bit in SCON register.
Set to to select FE bit in SCON register.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Power-off Flag
Clear to recognize next reset type.
Set by hardware when VCC rises from 0 to its nominal voltage. Can also be set
by software.
General purpose Flag
Cleared by user for general purpose usage.
Set by user for general purpose usage.
General purpose Flag
Cleared by user for general purpose usage.
Set by user for general purpose usage.
Power-down mode bit
Cleared by hardware when reset occurs.
Set to enter power-down mode.
Idle mode bit
Clear by hardware when interrupt or reset occurs.
Set to enter idle mode.
5
-
POF
4
GF1
3
GF0
2
TS8xCx2X2
PD
1
IDL
0
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