Z8F1233QH020SG Zilog, Z8F1233QH020SG Datasheet - Page 125

• Manufacturer Part Number: Z8F1233QH020SG
• Description: IC ENCORE XP MCU FLSH 12K 20QFN
• Manufacturer: Zilog
• Series: Encore!®r

Specifications of Z8F1233QH020SG

• Core Processor: Z8
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, LED, POR, PWM, WDT
• Number Of I /o: 17
• Program Memory Size: 12KB (12K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• For Use With: 770-1002 - ISP 4PORT ZILOG Z8 ENCORE! MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Other names: 269-4656

Table 73. Flash Frequency High Byte Register (FFREQH)
Table 74. Flash Frequency Low Byte Register (FFREQL)
BITS
FIELD
RESET
R/W
ADDR
PS025111-1207
BITS
FIELD
RESET
R/W
ADDR
Caution:
FFREQ[15:0]
Flash Frequency High and Low Byte Registers
R/W
0
7
7
The Flash frequency high and low byte registers combine to form a 16-bit value, FFREQ,
to control timing for Flash Program and Erase operations. The 16-bit binary Flash
frequency value must contain the system clock frequency (in KHz) and is calculated using
the following equation.
FFREQH—Flash frequency high byte
High byte of the 16-bit Flash frequency value.
FFREQL—Flash frequency low byte
Low byte of the 16-bit Flash frequency value.
Flash programming and erasure is not supported for system clock frequencies below
10 kHz or above 20 MHz. The Flash frequency high and low byte registers must be
loaded with the correct value to ensure proper operation of the device.
=
R/W
6
0
6
{
FFREQH[7:0],FFREQL[7:0]
R/W
5
0
5
R/W
0
4
4
FFREQH
FFREQL
FFBH
FFAH
R/W
0
R/W
3
0
3
}
=
System Clock Frequency
-------------------------------------------------------------- -
R/W
Z8 Encore!
0
2
2
Product Specification
1000
R/W
1
0
1
®
F0830 Series
Flash Memory
R/W
0
0
0
115