Z86E4312FSC Zilog, Z86E4312FSC Datasheet - Page 79

• Manufacturer Part Number: Z86E4312FSC
• Description: Z8 4K OTP 12 MHZ 44-PQFP
• Manufacturer: Zilog
• Series: Z8®r

Specifications of Z86E4312FSC

• Core Processor: Z8
• Core Size: 8-Bit
• Speed: 12MHz
• Connectivity: EBI/EMI
• Peripherals: POR, WDT
• Number Of I /o: 32
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: OTP
• Ram Size: 236 x 8
• Voltage - Supply (vcc/vdd): 3.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-LQFP
• Data Bus Width: 8 bit
• Data Ram Size: 236 B
• Maximum Clock Frequency: 12 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 2 bit
• Operating Supply Voltage: 3.5 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: No
• Other names: 269-1108

PS022901-0508
R251 IMR
D7 D6 D5
R252 Flags
* This option must be selected when ROM code is
D7 D6 D5
submitted for ROM Masking, otherwise this control bit
is disabled permanently
Figure 51. Interrupt Mask Register (FB
Figure 52. Flag Register (FC
D4 D3 D2 D1
D4 D3 D2 D1
D0
D0
h
: Read/Write)
1 Enables IRQ5 -IRQ0
1 Enables RAM Protect*
1 Enables Interrupts
User Flag F1
User Flag F2
Halt Carry Flag
Decimal Adjust Flag
Overflow Flag
Sign Flag
Zero Flag
Carry Flag
(D0 = IRQ0)
h
CMOS Z8
: Read/Write)
®
Product Specification
OTP Microcontrollers
Electrical Characteristics
75