Z8F042AHH020EG Zilog, Z8F042AHH020EG Datasheet - Page 167

• 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

PS022517-0508
Information Area
Table 82
512-byte Information Area is accessed by setting bit 7 of the Page Select Register to 1.
When access is enabled, the Information Area is mapped into Flash Memory and overlays
the 512 bytes at addresses
LDC instructions return data from the Information Area. CPU instruction fetches always
comes from Flash Memory regardless of the Information Area access bit. Access to the
Information Area is read-only.
on page 155 describes the Z8 Encore! XP
512 Bytes per Page
16 Pages
Figure 33. Flash Memory Arrangement
FE00H
to
Program Memory
FFFFH
8 KB Flash
. When the Information Area access is enabled,
Addresses
1FFFH
1E00H
1DFFH
1C00H
1BFFH
1A00H
05FFH
0400H
03FFH
0200H
01FFH
0000H
®
F0822 Series Information Area. This
Z8 Encore! XP
Product Specification
®
F0822 Series
Flash Memory
154