AT89C5131A-PUTIM Atmel, AT89C5131A-PUTIM Datasheet - Page 17

IC 8051 MCU FLASH 32K USB 32QFN

AT89C5131A-PUTIM

Manufacturer Part Number
AT89C5131A-PUTIM
Description
IC 8051 MCU FLASH 32K USB 32QFN
Manufacturer
Atmel
Series
AT89C513xr
Datasheet

Specifications of AT89C5131A-PUTIM

Core Processor
C52X2
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
LED, POR, PWM, WDT
Number Of I /o
18
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
1.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
For Use With
AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-05 - KIT STARTER FOR AT89C5131
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
-
5.4
4337K–USB–04/08
Registers
Table 5-2.
Bit Number
TWIX2
7
7
6
5
4
3
2
1
0
Oscillator Frequency
CKCON0 (S:8Fh)
Clock Control Register 0
32 MHz
40 MHz
Mnemonic Description
PCAX2
TWIX2
WDX2
WDX2
T2X2
T1X2
T0X2
SIX2
Bit
X2
6
TWI Clock
This control bit is validated when the CPU clock X2 is set. When X2 is low,
this bit has no effect.
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
Watchdog Clock
This control bit is validated when the CPU clock X2 is set. When X2 is low,
this bit has no effect.
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
Programmable Counter Array Clock
This control bit is validated when the CPU clock X2 is set. When X2 is low,
this bit has no effect.
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)
This control bit is validated when the CPU clock X2 is set. When X2 is low,
this bit has no effect.
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
Timer2 Clock
This control bit is validated when the CPU clock X2 is set. When X2 is low,
this bit has no effect.
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
Timer1 Clock
This control bit is validated when the CPU clock X2 is set. When X2 is low,
this bit has no effect.
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
Timer0 Clock
This control bit is validated when the CPU clock X2 is set. When X2 is low,
this bit has no effect.
Clear to select 6 clock periods per peripheral clock cycle.
Set to select 12 clock periods per peripheral clock cycle.
System Clock Control bit
Clear to select 12 clock periods per machine cycle (STD mode, F
F
Set to select 6 clock periods per machine cycle (X2 mode, F
OSC
PCAX2
/
5
2).
R+1
12
3
SIX2
4
T2X2
3
AT89C5130A/31A-M
N+1
10
2
T1X2
2
T0X2
PLLDIV
CPU =
1
B9h
21h
CPU
F
PER =
= F
F
PER =
X2
OSC
0
).
17

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