TS87C54X2-VIE Atmel, TS87C54X2-VIE Datasheet - Page 10
TS87C54X2-VIE
Manufacturer Part Number
TS87C54X2-VIE
Description
IC MCU 8BIT 16K OTP 40MHZ 44VQFP
Manufacturer
Atmel
Series
87Cr
Datasheet
1.TS87C54X2-LIC.pdf
(62 pages)
Specifications of TS87C54X2-VIE
Core Processor
8051
Core Size
8-Bit
Speed
40/30MHz
Connectivity
UART/USART
Peripherals
POR, WDT
Number Of I /o
32
Program Memory Size
16KB (16K 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
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
10
AT/TS8xC54/8X2
Table 6-1.
Reset Value = XXXX XXX0b
Not bit addressable
For further details on the X2 fe ature, please refer to ANM072 ava ilable on the web
(http://www.atmel.com)
Number
Bit
7
6
5
4
3
2
1
0
7
-
Mnemonic
Bit
CKCON Register
CKCON - Clock Control Register (8Fh)
X2
-
-
-
-
-
-
-
6
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
CPU and peripheral clock bit
Clear to select 12 clock periods per machine cycle (STD mode, F
Set to select 6 clock periods per machine cycle (X2 mode, F
5
-
4
-
3
Description
-
2
-
OSC
=F
OSC
XTAL
=F
1
-
).
XTAL
/
4431E–8051–04/06
2).
X2
0