ZLF645S2864GP0001 Maxim Integrated, ZLF645S2864GP0001 Datasheet - Page 164

• Manufacturer Part Number: ZLF645S2864GP0001
• Description: 8-bit Microcontrollers - MCU Crimzon Flash Infrared MCU
• Manufacturer: Maxim Integrated

Specifications of ZLF645S2864GP0001

• 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

Table 73. Stop Mode Recovery Register 4 (SMR4)
19-4572; Rev 0; 4/09
Bit
Field
Reset
R/W
Address
Bit Position
[7:5]
[4]
[3:2] 
[1:0] 
Note:
Stop Mode Recovery Register 4
—
X
The Stop Mode Recovery register 4 (see
indicates the reference value status for registers SMR1 and SMR3.
7
This register is not reset after a Stop Mode Recovery.
Value
00
01
10
00
01
10
—
11
11
0
1
Reserved
Description
Reserved —Reads are undefined; must write 000b.
SMR IRQ Enable
If P3M[1]=0, SMR events do not generate an interrupt.
SMR events generate an interrupt on IRQ1.
Port 3 SMR Status
No Read or Write of the P3 register occurs.
P3 Read occurs; used as SMR3 reference.
P3 Write occurs; used as SMR3 reference.
Reserved.
Port 2 SMR Status
No Read or Write of the P2 register occurs.
P2 Read occurs; use P2 Read as SMR1 reference.
P2 Write occurs; use P2 Write as SMR1 reference.
Reserved.
—
X
6
—
X
5
SMR IRQ Enable
Bank F: 0Ah; Linear: F0Ah
R/W
4
0
Table
Port 3 SMR Status
R/W
73) enables the SMR interrupt source and
3
0
ZLF645 Series Flash MCUs
Reset/Stop Mode Recovery Status
R/W
2
0
Product Specification
Port 2 SMR Status
R/W
1
0
R/W
0
0
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