ZLF645S0P2864G Zilog, ZLF645S0P2864G Datasheet - Page 52

• Manufacturer Part Number: ZLF645S0P2864G
• Description: Microcontrollers (MCU) 64K Flash 512B RAM 28 pin
• Manufacturer: Zilog

Specifications of ZLF645S0P2864G

• 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: 24
• Number Of Timers: 3
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• Package / Case: PDIP-28
• Minimum Operating Temperature: 0 C
• Lead Free Status / Rohs Status: Details

PS026407-0408
FF
EF
E0
DF
D0
F0
4F
40
3F
30
2F
20
1F
10
0F
00
* RP=00: selects Register Bank 0, Working Register Group 0
The upper nibble of the register file address
The active working group register
Provided by the register pointer specifies
R7 R6 R5 R4
Active Group
I/O Ports (Banks 0-3 Only)
Figure 14. Register Pointer—Detail
Register Group F
Register Group 2
Register Group 1
Register Group 0
Specified Working
Register Group
*
*
*
R3 R2 R1 R0
Active Bank
Register Pointer (RP), 0FDh
The lower nibble of the register
instruction points to the specified
register
file address provided by the
R15 to R0
R15 to R5
R4 to R0*
ZLF645 Series Flash MCUs
Product Specification
Register File
44