Z86D99 ZILOG [Zilog, Inc.], Z86D99 Datasheet - Page 11
![no-image](/images/no-image-200.jpg)
Z86D99
Manufacturer Part Number
Z86D99
Description
Low-Voltage Micro controllers with ADC
Manufacturer
ZILOG [Zilog, Inc.]
Datasheet
1.Z86D99.pdf
(102 pages)
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Functional Block Diagram
PS003807-1002
*
*Controlled Current Output
**P6 is only in the Z86L990/Z86D990.
***In the 28-pin package, V
are bonded together.
7
0
7
0
7
0
7
0
Port 2
Port 4
Port 5
Port 6
**
Figure 1 shows the functional block diagram for the microcontrollers.
Figure 1. Functional Block Diagram
8
CIN2
CIN1
P52
P51
Comparators
Two Analog
DD_padring
256 Bytes
Program
Memory
CREF2
CREF1
P53
P50
††
8-Bit C/T
(Carrier)
P
Register File
256 x 8-bit
R
and V
E
DD_CORE
L
I
(Modulation)
16-Bit C/T
M
Z86D990/Z86D991 OTP and Z86L99X ROM
Z8 Core
I
Low-Voltage Microcontrollers with ADC
8
V
N
Ref+
8-Bit A/D†
†ADC is only in the Z86L990/Z86D990.
††Program memory is as follows:
A
Power Filter
Z86D990
Z86D991
Z86L990
Z86L991
V
R
Register File
Expanded
Ref–
(General)
8-Bit C/T
Y
Instruction
Controlled
Machine
Control
Current
MUX
Timing
Output
32K OTP
32K OTP
16K ROM
16K ROM
and
V
V
DD_padring
DD_CORE
ADC0/P44
ADC1/P45
ADC2/P46
ADC3/P47
XTAL 1
XTAL 2
P43
***
4
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