TINY88-15MZ Atmel, TINY88-15MZ Datasheet - Page 23

• Manufacturer Part Number: TINY88-15MZ
• Description: MCU AVR 8KB FLASH 12MHZ 32-QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of TINY88-15MZ

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 28
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

5.5.2
5.5.3
9157B–AVR–01/10
EEDR – EEPROM Data Register
EECR – EEPROM Control Register
• Bits 7..0 – EEDR7.0: EEPROM Data
For the EEPROM write operation, the EEDR Register contains the data to be written to the
EEPROM in the address given by the EEAR Register. For the EEPROM read operation, the
EEDR contains the data read out from the EEPROM at the address given by EEAR.
• Bits 7..6 – Res: Reserved Bits
These bits are reserved and will always read zero.
• Bits 5, 4 – EEPM1 and EEPM0: EEPROM Programming Mode Bits
The EEPROM Programming mode bit setting defines which programming action that will be trig-
gered when writing EEPE. It is possible to program data in one atomic operation (erase the old
value and program the new value) or to split the Erase and Write operations in two different
operations. The Programming times for the different modes are shown in
is set, any write to EEPMn will be ignored. During reset, the EEPMn bits will be reset to 0b00
unless the EEPROM is busy programming.
Table 5-1.
• Bit 3 – EERIE: EEPROM Ready Interrupt Enable
Writing EERIE to one enables the EEPROM Ready Interrupt if the I bit in SREG is set. Writing
EERIE to zero disables the interrupt. The EEPROM Ready interrupt generates a constant inter-
rupt when EEPE is cleared. The interrupt will not be generated during EEPROM write or SPM.
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
EEPM1
0
0
1
1
EEPM0
EEPROM Mode Bits
MSB
R/W
0
1
0
1
7
–
R
0
7
0
Programming
R/W
R
6
0
6
–
0
3.4 ms
1.8 ms
1.8 ms
Time
–
EEPM1
R/W
R/W
5
X
5
0
EEPM0
Operation
Erase and Write in one operation (Atomic Operation)
Erase Only
Write Only
Reserved for future use
R/W
R/W
X
4
0
4
EERIE
R/W
R/W
3
0
3
0
ATtiny88 Automotive
EEMPE
R/W
R/W
2
0
2
0
EEPE
R/W
R/W
1
0
X
1
Table
EERE
5-1. While EEPE
LSB
R/W
R/W
0
0
0
0
EEDR
EECR
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