ZLF645E0H2864G Zilog, ZLF645E0H2864G Datasheet - Page 159

• Manufacturer Part Number: ZLF645E0H2864G
• Description: IC MCU 64K FLASH 1K RAM 28-SSOP
• Manufacturer: Zilog
• Series: Crimzon™ ZLFr

Specifications of ZLF645E0H2864G

• Core Processor: Z8 LXMC
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, WDT
• Number Of I /o: 24
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 1.9 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Oscillator Type: -
• Other names: 269-4719

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
151