ZLF645S0P2064G Zilog, ZLF645S0P2064G Datasheet - Page 159

• Manufacturer Part Number: ZLF645S0P2064G
• Description: Microcontrollers (MCU) 64K Flash 512B RAM 20 pin
• Manufacturer: Zilog

Specifications of ZLF645S0P2064G

• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 64 KB
• Data Ram Size: 512 KB
• Interface Type: ICP, UART
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 3
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• Package / Case: PDIP-20
• Minimum Operating Temperature: 0 C
• Lead Free Status / Rohs Status: Details

Table 74. Stop Mode Recovery Register 4 (SMR4)
PS026407-0408
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
74) 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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