z89136 ZiLOG Semiconductor, z89136 Datasheet - Page 2

• Manufacturer Part Number: z89136
• Description: Low-cost Dtad Controller
• Manufacturer: ZiLOG Semiconductor

GENERAL DESCRIPTION (Continued)
Z89135/136 (ROMless)
Low-Cost DTAD Controller
1-2
Programmable)
Programmable)
Programmable)
Address/Data
Address
(Nibble
or I/O
or I/O
(Byte
(Bit
I/O
/RESET
XTAL1
XTAL2
RMLS
R/W
GND
P00
P01
P02
P03
P04
P05
P06
P07
P10
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P26
P27
/DS
VDD
P11
/AS
Memory
Control
Port 0
Port 1
Port 2
Power
OSC
Ext.
Capture Reg.
Timer 0
Register Bus
24 Kbytes
6K Words
(Z89165)
Program
Program
Timer 2
Figure 1. Functional Block Diagram
ROM
ROM
mailbox
Expanded Register
Peripheral
P R E L I M I N A R Y
Register
(DSP)
(Z8)
File
Internal Address Bus
Internal Data Bus
Internal Address Bus
Internal Data Bus
Timer 3
Timer 1
INT 1
INT 2
Extended Bus of the DSP
256 Word
RAM 0
Extended Bus of the DSP
Register File
DSP Core
256 x 8 Bit
Z8 Core
256 Word
RAM 1
Expanded
Register Bus
DSP Port
(10-Bit)
Port 3
Port 4
Port 5
PWM
(8-Bit)
ADC
DS97TAD0300
P31
P32
P33
PWM
P34
P35
P36
P37
P40
P41
P42
P43
P44
P45
P46
P47
P50
P51
P52
P53
P54
P55
P56
P57
DSP0
DSP1
AN IN
AN VDD
AN GND
VREF+
VREF-
Output
Programmable)
Input
Programmable)
(Bit
I/O
(Bit
I/O
Zilog