ZGP323HEH4808G Zilog, ZGP323HEH4808G Datasheet - Page 30

• Manufacturer Part Number: ZGP323HEH4808G
• Description: IC Z8 GP MCU 8K OTP 48SSOP
• Manufacturer: Zilog
• Series: Z8® GP™r

Specifications of ZGP323HEH4808G

• Core Processor: Z8
• Core Size: 8-Bit
• Speed: 8MHz
• Peripherals: HLVD, POR, WDT
• Number Of I /o: 32
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: OTP
• Ram Size: 237 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 48-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Other names: 269-4349; ZGP323HEH4808G

PS023807-0707
Stack
The internal register file is used for the stack. An 8-bit Stack Pointer SPL (R255) is used
for the internal stack that resides in the general-purpose registers (R4–R239). SPH (R254)
can be used as a general-purpose register.
FF
F0
EF
E0
DF
D0
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
provided by the register pointer specifies the
active working-register group.
R
Figure 15. Register Pointer—Detail
7
Specified Working
R
Register Group 2
Register Group 1
Register Group 0
Register Group
6
R
I/O Ports
5
R
4
R
3
R
2
R
1
The lower nibble of the
register file address
provided by the instruction
points to the specified
R15 to R0
R15 to R4 *
R3 to R0 *
R253
Product Specification
Functional Description
ZGP323H
25