Z8F16800144ZCOG Zilog, Z8F16800144ZCOG Datasheet - Page 285

• Manufacturer Part Number: Z8F16800144ZCOG
• Description: KIT DEV FOR Z8F642 MCU 44 PIN
• Manufacturer: Zilog
• Series: Z8 Encore!®r
• Type: MCUr

Specifications of Z8F16800144ZCOG

• Contents: Hardware, Software and Documentation
• For Use With/related Products: Z8F642
• For Use With: 269-4661 - KIT ACC ETHERNET SMART CABLE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-4678

Table 145. Flash Option Bits at Program Memory Address 0001H
PS025011-1010
BITS
FIELD
RESET
R/W
ADDR
Note: U = Unchanged by Reset. R/W = Read/Write.
Flash Program Memory Address 0001H
R/W
U
7
1 = Voltage Brownout Protection is always enabled including during STOP mode. And it
FRP—Flash Read Protect
0 = User program code is inaccessible. Limited control features are available through 
1 = User program code is accessible. All On-Chip Debugger commands are enabled. 
PRAM_M—On-chip Program RAM Mode select
0 = Program RAM is used as on-chip Register RAM, and it begins at the first available
1 = Program RAM is used as on-chip Program RAM, and it begins at address E000H 
FWP—Flash Write Protect
This Option Bit provides Flash Program Memory protection:
0 = Programming and erasure disabled for all of Flash Program Memory. 
1 = Programming, Page Erase and Mass Erase are enabled for all of Flash 
EXTLTMG—External Crystal Reset Timing 
00 = 500 Internal Precision Oscillator Cycles.
01 = 1000 Internal Precision Oscillator Cycles.
10 = 5000 Internal Precision Oscillator Cycles.
11 = 10,000 Internal Precision Oscillator Cycles.
EXTLTMG
cannot be disabled by VBO/LVD control bit of Power Control Register in any mode. 
Register File address space. See
This setting is default for unprogrammed (erased) Flash.
the On-Chip Debugger.
This setting is default for unprogrammed (erased) Flash.
in the Program Memory address space. This setting is default for unprogrammed
Programming, Page Erase and Mass Erase through User Code are disabled. 
Mass Erase is available using the On-Chip Debugger.
Program Memory.
(erased) Flash.
R/W
U
6
FLASH_WR_
PRO_EN
R/W
U
5
P R E L I M I N A R Y
Program Memory 0001H
EXTL_AO
R/W
Register Map
U
4
R/W
U
3
Reserved
on page 25.
Z8 Encore! XP
R/W
U
2
Product Specification
X2_Mode
R/W
U
1
®
Flash Option Bits
F1680 Series
X2TL_AO
R/W
U
0
271