Z8F6422AR020SC Zilog, Z8F6422AR020SC Datasheet - Page 165

• Manufacturer Part Number: Z8F6422AR020SC
• Description: IC ENCORE MCU FLASH 64K 64LQFP
• Manufacturer: Zilog
• Series: Encore!® XP®r

Specifications of Z8F6422AR020SC

• Core Processor: Z8
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, IrDA, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 46
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 64-LQFP
• Processor Series: Z8F642x
• Core: eZ8
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: I2C, SPI, UART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 46
• Number Of Timers: 16 Bit
• Operating Supply Voltage: 3 V to 3.6 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: Z8F64200100KITG, ZENETSC0100ZACG, ZUSBSC00100ZACG, Z8F64210100ZDA, Z8F64210100ZDP, Z8F64210100ZDV, Z8F64220100ZDA, Z8F64220100ZDV, Z8F6422AR00ZEM, Z8F6422VS00ZEM, Z8F6421AN00ZEM
• Minimum Operating Temperature: 0 C
• On-chip Adc: 10 bit, 12 Channel
• For Use With: 269-4678 - KIT DEV FOR Z8F642 MCU 44 PIN269-4677 - KIT DEV FOR Z8F642 MCU 28PIN269-4540 - KIT DEV FOR Z8 ENCORE 16K TO 64K
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: No RoHS Version Available
• Other names: 269-3302

PS019921-0308
Follow the steps below for the data transfer for a read operation to a 10-bit addressed
slave:
1. Software writes
2. Software asserts the START and TXI bits of the I
3. The I
4. The I
5. After the first bit has been shifted out, a Transmit interrupt is asserted.
6. Software responds by writing the lower eight bits of address to the I
7. The I
8. If the I
9. The I
10. The I
11. Software responds by setting the START bit of the I
12. Software responds by writing 11110B followed by the 2-bit slave address and a 1
13. If only one byte is to be read, software sets the NAK bit of the I
14. After the I
Data register.
register.
during the next high period of SCL, the I
Status register. Continue with
If the slave does not acknowledge the first address byte, the I
NCKI bit and clears the ACK bit in the I
Not Acknowledge interrupt by setting the STOP and FLUSH bits and clearing the TXI
bit. The I
NCKI bits. The transaction is complete (ignore following steps).
register (second address byte).
I
repeated START and by clearing the TXI bit.
(read) to the I
acknowledge by pulling the SDA signal low during the next high period of SCL, the
I
If the slave does not acknowledge the second address byte, the I
NCKI bit and clears the ACK bit in the I
Not Acknowledge interrupt by setting the STOP and FLUSH bits and clearing the TXI
bit. The I
NCKI bits. The transaction is complete (ignore the following steps).
2
2
C Controller generates a Transmit interrupt.
C Controller sets the ACK bit in the I
2
2
2
2
2
C Controller sends the Start condition.
C Controller loads the I
C Controller completes shifting of the two address bits and a 0 (write).
C Controller loads the I
C Controller shifts out the second address byte. After the first bit is shifted, the
2
C slave acknowledges the first address byte by pulling the SDA signal low
2
2
C Controller sends the STOP condition on the bus and clears the STOP and
C Controller sends the STOP condition on the bus and clears the STOP and
2
C Controller shifts out the 2nd address byte, the I
2
C Data register.
11110B
followed by the two address bits and a 0 (write) to the I
2
2
step
C Shift register with the contents of the I
C Shift register with the contents of the I
9.
2
C Status register. Continue with
2
2
2
C Status register. Software responds to the
C Status register. Software responds to the
C Controller sets the ACK bit in the I
2
C Control register.
Z8 Encore! XP
2
C Control register to generate a
Product Specification
2
2
C slave sends an
C Controller sets the
2
2
C Controller sets the
C Control register.
®
2
C Data register.
F64XX Series
2
2
step
C Data
C Data
I2C Controller
15.
2
C
2
C
151