ZLF645S2864GP0001T Maxim Integrated, ZLF645S2864GP0001T Datasheet - Page 74
![no-image](/images/no-image-200.jpg)
ZLF645S2864GP0001T
Manufacturer Part Number
ZLF645S2864GP0001T
Description
8-bit Microcontrollers - MCU Crimzon Flash Infrared MCU
Manufacturer
Maxim Integrated
Datasheet
1.ZLF645E0H4864G2204.pdf
(201 pages)
Specifications of ZLF645S2864GP0001T
Core
Z8
Data Bus Width
8 bit
Maximum Clock Frequency
8 MHz
Program Memory Size
64 KB
Data Ram Size
1 KB
Operating Supply Voltage
2 V to 3.6 V
Interface Type
UART
Number Of Programmable I/os
5
Number Of Timers
2 x 8 bit, 1 x 16 bit
Processor Series
ZLF645
Program Memory Type
Flash
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Table 31. TEST Mode Register (TESTMODE)
Exiting ICP Mode
19-4572; Rev 0; 4/09
Bit Position
[7:3]
[2]
[1:0]
Bits
Field
Reset
R/W
TEST Mode Register
R/W
7
0
The TEST Mode register is used to enable various device test or Flash memory access
modes. At present this register only provides configuration for a single mode where, once
programmed, Flash memory accesses bypass the devices Flash Controller and are done
through the devices I/O pins. A complete description of this mode is available in the Flash
Byte Programming Interface section. This register can only be read or written using the
ICP Read/Write Test Mode Register commands.
The ZLF645 MCU is taken out of ICP mode under any of the following conditions:
•
•
Value
Initiating a POR with P36 held High during the entire reset period.
Lowering V
—
—
1
0
R
6
0
Description
Reserved — Must be written to 1. Reads return 0.
Flash Controller Bypass Mode
The device is not in Flash Controller Bypass Mode.
The device is in Flash Controller Bypass mode.
Reserved —Must be written to 1. Reads return 0.
DD
Reserved F
until the ZLF645 MCU reaches a Voltage Brownout reset state.
R
5
0
R
4
0
R
3
0
Bypass Mode
lash Controller
R/W
2
0
ZLF645 Series Flash MCUs
Product Specification
R
1
0
Reserved
Exiting ICP Mode
R
0
0
66
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