Z86E4412VSG Zilog, Z86E4412VSG Datasheet - Page 53

• Manufacturer Part Number: Z86E4412VSG
• Description: IC MICROCONTROLLER 16K 44-PLCC
• Manufacturer: Zilog
• Series: Z8®r

Specifications of Z86E4412VSG

• Core Processor: Z8
• Core Size: 8-Bit
• Speed: 12MHz
• Connectivity: EBI/EMI
• Peripherals: POR, WDT
• Number Of I /o: 32
• Program Memory Size: 16KB (16K 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-LCC (J-Lead)
• Processor Series: Z86E4xx
• Core: Z8
• Data Bus Width: 8 bit
• Data Ram Size: 237 B
• Maximum Clock Frequency: 12 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 2
• Operating Supply Voltage: 3.5 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: Z86E4400ZDV, Z86E4400ZDP, Z86E4400ZDF, Z86E3400ZDV, Z86E3400ZDS, Z86E3400ZDP, Z86C4001ZDV
• Minimum Operating Temperature: 0 C
• For Use With: 309-1042 - ADAPTER 44-PLCC ZIF TO 44-PLCC309-1041 - ADAPTER 44-PLCC TO 44-PLCC309-1038 - ADAPTER 44-PLCC ZIF TO 40-DIP309-1037 - ADAPTER 44-PLCC TO 40-DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details
• Other names: 269-3981; Z86E4412VSG

Zilog
DS97Z8X1500
R251 IMR
D7 D6 D5 D4 D3 D2 D1 D0
R252 FLAGS
† This option must be selected when ROM code is
submitted for ROM Masking, otherwise this control bit
is disabled permanently.
R250 IRQ
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6
Default After Reset = 00H
Figure 50. Interrupt Request Register
Figure 51. Interrupt Mask Register
D5 D4 D3 D2
Figure 52. Flag Register
FBH: Read/Write
FCH: Read/Write
FAH: Read/Write
D1 D0
1 Enables IRQ5-IRQ0
1 Enables RAM Protect †
1 Enables Interrupts
IRQ0 = P32 Input
IRQ1 = P33 Input
IRQ2 = P31 Input
IRQ3 = P30 Input
IRQ4 = T0
IRQ5 = T1
Inter Edge
(D0 = IRQ0)
P31
P31
P31
P31
User Flag F1
User Flag F2
Half Carry Flag
Decimal Adjust Flag
Overflow Flag
Sign Flag
Zero Flag
Carry Flag
P32
P32
P32
P32
P R E L I M I N A R Y
= 00
= 01
= 10
= 11
R253 RP
R254 SPH
R255 SPL
Default After Reset = 00H
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5
D7 D6 D5 D4 D3 D2 D1 D0
Default after Reset = 00H
Default after Reset = 00H
Figure 54. Stack Pointer High
Figure 55. Stack Pointer Low
Figure 53. Register Pointer
D4 D3
FDH: Read/Write
FEH: Read/Write
FFH: Read/Write
D2 D1 D0
CMOS Z8 OTP Microcontrollers
Z86E33/733/E34/E43/743/E44
Expanded Register Bank
Working Register Pointer
(Z86E43/743/E44)
Stack Pointer Upper
Byte (SP8 - SP15)
(Z86E33/733/E34)
0 = 0 State
1 = 1 State
Stack Pointer Lower
Byte (SP0 - SP7)
53
1