EZ80F91MCU ZILOG [Zilog, Inc.], EZ80F91MCU Datasheet - Page 24

• Manufacturer Part Number: EZ80F91MCU
• Description: eZ80Acclaim-TM Flash Microcontrollers
• Manufacturer: ZILOG [Zilog, Inc.]

Figure 2. 144-Pin LQFP Configuration of the eZ80F91
PS019209-0504
CS0
CS1
CS2
CS3
V
A10
V
A12
A13
A14
A15
A16
V
A17
A18
V
V
V
A11
V
A19
A20
A21
A22
A23
V
A0
A1
A2
A3
A4
DD
A5
A6
A7
A8
A9
DD
DD
DD
SS
SS
SS
SS
1
10
30
36
20
Figure 2 illustrates the pin layout of the eZ80F91 device in the 144-pin LQFP
package.
144-Pin LQFP
P R E L I M I N A R Y
Product Specification
Architectural Overview
108
100
90
80
73
eZ80F91 MCU
V
PB7/MOSI
PB6/MISO
PB5/IC3
PB4/IC2
PB3/SCK
PB2/SS
PB1/IC1
PB0/IC0/EC0
V
V
PC7/RI1
PC6/DCD1
PC5/DSR1
PC4/DTR1
PC3/CTS1
PC2/RTS1
PC1/RxD1
PC0/TxD1
V
V
PLL_V
X
X
PLL_V
LOOP_FILT
V
V
PD7/RI0
PD6/DCD0
PD5/DSR0
PD4/DTR0
PD3/CTS0
PD0/TxD0/IR_TxD
PD2/RTS0
PD1/RxD0/IR_RxD
SS
SS
DD
SS
DD
IN
OUT
SS
DD
DD
SS
5