T89C5115-TISIM Atmel, T89C5115-TISIM Datasheet - Page 17
T89C5115-TISIM
Manufacturer Part Number
T89C5115-TISIM
Description
IC 8051 MCU FLASH 16K 28SOIC
Manufacturer
Atmel
Series
89Cr
Datasheet
1.T89C5115-RATIM.pdf
(113 pages)
Specifications of T89C5115-TISIM
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
20
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Register
4128G–8051–02/08
Table 11. CKCON Register
CKCON (S:8Fh)
Clock Control Register
Note:
Reset Value = x000 0000b
Number
Bit
7
-
7
6
5
4
3
2
1
0
1. This control bit is validated when the CPU clock bit X2 is set; when X2 is low, this bit
has no effect.
Mnemonic Description
WDX2
PCAX2
WDX2
T2X2
T1X2
T0X2
SIX2
Bit
X2
6
-
Reserved
Do not set this bit.
Watchdog Clock
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
Programmable Counter Array Clock
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
Enhanced UART clock (MODE 0 and 2)
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
Timer 2 Clock
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
Timer 1 Clock
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
Timer 0 Clock
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
CPU Clock
Clear to select 12 clock periods per machine cycle (STD mode) for CPU and all
the peripherals.
Set to select 6 clock periods per machine cycle (X2 Mode) and to enable the
individual peripherals ’X2’ bits.
PCAX2
5
(1)
(1)
(1)
SIX2
(1)
4
T2X2
3
(1)
(1)
T1X2
2
T0X2
1
X2
0
17
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