Z8F042AHH020EG Zilog, Z8F042AHH020EG Datasheet - Page 36

• Manufacturer Part Number: Z8F042AHH020EG
• Description: IC ENCORE XP MCU FLASH 4K 20SSOP
• Manufacturer: Zilog
• Series: Encore!® XP®r

Specifications of Z8F042AHH020EG

• Core Processor: Z8
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: IrDA, UART/USART
• Peripherals: Brown-out Detect/Reset, LED, LVD, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 17
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 7x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-4156; Z8F042AHH020EG

UART0 Status 1
U0STAT1 (F44H- Read Only)
D7 D6 D5 D4 D3 D2 D1 D0
UART0 Address Compare
U0ADDR (F45H - Read/Write)
D7 D6 D5 D4 D3 D2 D1 D0
UART0 Baud Rate Generator High Byte
U0BRH (F46H - Read/Write)
D7 D6 D5 D4 D3 D2 D1 D0
UART0 Baud Rate Generator Low Byte
U0BRL (F47H - Read/Write)
D7 D6 D5 D4 D3 D2 D1 D0
I2C Data
I2CDATA (F50H - Read/Write)
D7 D6 D5 D4 D3 D2 D1 D0
PS022517-0508
Mulitprocessor Receive
multiprocessor bit
New Frame
of frame
new frame
Reserved
UART0 Address Compare
UART0 Baud Rate divisor
UART0 Baud Rate divisor
I2C data [7:0]
Returns value of last
0 = Current byte is not start
1 = Current byte is start of
I2C Status
I2CSTAT (F51H - Read Only)
D7 D6 D5 D4 D3 D2 D1 D0
Z8 Encore! XP
NACK Interrupt
service NAK
after NAK
Data Shift State
transferred
Transmit Address State
transferred
transferred
Read
10-Bit Address
transmitted
transmitted
Acknowledge
Acknowledge was
Receive Data Register Full
data
received data
Transmit Data Register Empty
0 = No action required to
1 = START/STOP not set
0 = Data is not being
1 = Data is being transferred
0 = Address is not being
1 = Address is being
0 = Write operation
1 = Read operation
0 = 7-bit address being
1 = 10-bit address being
0 = Acknowledge not
1 = For last byte,
0 = I2C has not received
1 = Data register contains
0 = Data register is full
1 = Data register is empty
Product Specification
transmitted/received
transmitted/received
Control Register Summary
®
F0822 Series
23