ATAM893T-TKQ Atmel, ATAM893T-TKQ Datasheet - Page 20

• Manufacturer Part Number: ATAM893T-TKQ
• Description: IC MON TIRE-PRESS ATARX9X SER
• Manufacturer: Atmel
• Series: MARC4r

Specifications of ATAM893T-TKQ

• Core Processor: MARC4
• Core Size: 4-Bit
• Speed: 4MHz
• Connectivity: SSI (2-Wire, 3 Wire)
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: EEPROM
• Eeprom Size: 64 x 16
• Ram Size: 256 x 4
• Voltage - Supply (vcc/vdd): 1.8 V ~ 6.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-SOIC (5.3mm Width), 20-SO, 20-SOEIAJ
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -

4.5.3.1
4.5.3.2
20
ATAM893-D
Clock Management Register (CM)
System Configuration Register (SC)
Table 4-6.
CM:
NSTOP
CCS
CSS1
CSS0
SC: write
BOT
OS1
OS0
CSS1
0
1
1
0
Not STOP peripheral clock
NSTOP = 0, stops the peripheral clock while the core is in SLEEP mode
NSTOP = 1, enables the peripheral clock while the core is in SLEEP mode
Core Clock Select
CCS = 1, the internal RC-oscillator 1 generates SYSCL
CCS = 0, the 4-MHz crystal oscillator, the 32-kHz crystal oscillator, an external
Core Speed Select 1
Core Speed Select 0
Bit 3
NSTOP
Core Speed Select
Bit 3
BOT
Brown-Out Threshold
BOT = 1, low brown-out voltage threshold (1.65 V)
BOT = 0, high brown-out voltage threshold (1.95 V)
Oscillator Select 1
Oscillator Select 0
clock source or the RC-oscillator 2 with the external resistor at OSC1
generates SYSCL dependent on the setting of OS0 and OS1 in the
system configuration register
Bit 2
CCS
Bit 2
–
CSS0
0
1
0
1
Bit 1
CSS1
Bit 1
OS1
Bit 0
CSS0
Bit 0
OS0
Divider
Primary register address: '3'hex
Auxiliary register address:
Reset value: 1111b
Reset value: 1x11b
16
8
4
2
Reset value
4680C–4BMCU–01/05
Note
'3'hex