Z86E4001ZDV Zilog, Z86E4001ZDV Datasheet - Page 45

• Manufacturer Part Number: Z86E4001ZDV
• Description: 44 PIN PLCC ADAPTER
• Manufacturer: Zilog

Specifications of Z86E4001ZDV

• Module/board Type: ZIF Socket
• Processor Series: Z86E4xx
• Core: Z8
• Data Bus Width: 8 bit
• Program Memory Type: ROM
• Program Memory Size: 4 KB
• Data Ram Size: 236 KB
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 2
• Operating Supply Voltage: 3.5 V to 5.5 V
• Mounting Style: SMD/SMT
• Package / Case: LQFP-44
• Development Tools By Supplier: Z86CCP01ZEM, Z86C4001ZDV, Z86E4001ZDV, Z86E4001ZDF, Z86CCP00ZAC
• For Use With/related Products: Zilog Emulators/Programmers
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 269-2008

Zilog
cycles from the execution of the first instruction after
Power-On Reset, Watch-Dog reset or a STOP-Mode
Recovery (Figures 33 and 34). After this point, the register
cannot be modified by any means, intentional or
DS97Z8X0502
WDTMR (F) 0F
*
D7 D6 D5 D4 D3 D2 D1 D0
Default setting after RESET
Figure 33. Watch-Dog Timer Mode Register
P R E L I M I N A R Y
Write Only
otherwise. The WDTMR cannot be read and is located in
Bank F of the Expanded Register Group at address
location 0FH.
WDT During HALT
0 OFF
1 ON
WDT During STOP
0 OFF
1 ON
XTAL1/INT RC Select for WDT
0 On-Board RC
1 XTAL
Reserved (Must be 0)
WDT TAP
00
01
10
11
*
*
*
INT RC OSC System Clock
80 ms
10 ms
20 ms
5 ms
*
2048 SCLK
128 SCLK
256 SCLK
512 SCLK
Z8 4K OTP Microcontroller
Z86E30/E31/E40
45
1