Z86D7308PSC1987 Zilog, Z86D7308PSC1987 Datasheet - Page 85

• Manufacturer Part Number: Z86D7308PSC1987
• Description: IC 32K OTP 3 VOLT 40-DIP
• Manufacturer: Zilog
• Series: Z8® IRr

Specifications of Z86D7308PSC1987

• Core Processor: Z8
• Core Size: 8-Bit
• Speed: 8MHz
• Peripherals: Brown-out Detect/Reset, LVD, POR, WDT
• Number Of I /o: 31
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: OTP
• Ram Size: 236 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 40-DIP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -

PS019401-1102
R250 IRQ
Figure 52. Interrupt Request Register (FAh: Read/Write)
R251 IMR
Figure 53. Interrupt Mask Register (FBh: Read/Write)
D7
D7
* Default setting after reset
* * Only by using E1, D1 instruction; D1 is required before changing the IMR register
D6
D6
D5
D5
D4
D4
P
D3
D3
R
E
D2
D2
L
D1
D1
I
M
D0
D0
I
N
A
40/44/48-Pin Low-Voltage IR OTP
IRQ0 = P32 Input
IRQ1 = P33 Input
IRQ2 = P31 Input
IRQ3 = T16
IRQ4 = T8
IRQ5 = LVD
Inter Edge
P31
P31
P31
P31
1 Enables IRQ5–IRQ0
Reserved (Must be 0)
0 Master Interrupt Disable *
1 Master Interrupt Enable * *
(D0 = IRQ0)
R
Y
P32 = 00
P32 = 01
P32 = 10
P32
= 11
Z86D73
79