Z86D7308VSC1987 Zilog, Z86D7308VSC1987 Datasheet - Page 73

• Manufacturer Part Number: Z86D7308VSC1987
• Description: IC 32K OTP 3 VOLT 44-PLCC
• Manufacturer: Zilog
• Series: Z8® IRr

Specifications of Z86D7308VSC1987

• 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: 44-LCC (J-Lead)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -

PS019401-1102
Mask Selectable Options
There are seven Mask Selectable Options to choose from based on ROM code
requirements. These are listed in Table 19.
Table 19. Mask Selectable Options
Brown-Out Voltage/Standby
An on-chip Voltage Comparator checks that the V
correct operation of the device. Reset is globally driven when V
A small drop in V
resonator clock. Typical Low-Voltage power consumpion in this Low Voltage
Standby mode (I
RAM content is preserved. When the power level is returned to above V
device performs a POR and functions normally.
Low-Voltage Detection and Flag
A Low-Voltage Detection circuit can be used optionally when the voltage
decreases to V
used for this option. Bit D0 is used to enable/disable this function; bit D1 is the sta-
tus flag bit of the LVD.
RC/Other
32 kHz XTAL
Port 00–03 Pull-Ups
Port 04–07 Pull-Ups
Port 10–13 Pull-Ups
Port 14–17 Pull-Ups
Port 20–27 Pull-Ups
Port 3: Pull-Ups
Port 0: 0–3 Normal Mode (0.5 V
(0.4 V
DD
Input Threshold)
LVD
LV
CC
) is about 20 A. If the V
. Expanded Register Bank
P
causes the XTAL1 and XTAL2 circuitry to stop the crystal or
R
E
L
DD
I
Input Threshold) versus Mouse Mode
M
I
N
CC
A
0Dh
is allowed to stay above Vram, the
40/44/48-Pin Low-Voltage IR OTP
R
CC
register
Y
is at the required level for
0Ch
CC
bits 0 and 1 are
falls below V
RC/XTAL
On/Off
On/Off
On/Off
On/Off
On/Off
On/Off
On/Off
BO
Z86D73
, the
BO
.
67