AN2135SC Cypress Semiconductor Corp, AN2135SC Datasheet - Page 152

• Manufacturer Part Number: AN2135SC
• Description: IC MCU 8051 8K RAM 24MHZ 44QFP
• Manufacturer: Cypress Semiconductor Corp
• Series: EZ-USB®r

Specifications of AN2135SC

• Applications: USB Microcontroller
• Core Processor: 8051
• Program Memory Type: ROMless
• Controller Series: AN213x
• Ram Size: 8K x 8
• Interface: I²C, USB
• Number Of I /o: 8
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 44-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1308

The assembler computes starting addresses in Figure 8-5 by adding the previous end-
point’s address to the desired size shifted right twice. This aligns A9 with bit 7 as shown
in Table 8-1. The LOW operator takes the low byte of the resulting 16 bit expression
The user of this code must ensure that the sizes given in the first equate block are all mul-
tiples of 16. This is easy to tell by inspection—the least significant digit of the hex values
in the first column should be zero.
EZ-USB TRM v1.9
0100
0100
0010
0010
0010
0010
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
;
0000
0040
0044
0048
0048
0048
0048
0048
0048
0088
008C
0090
0090
0090
0090
0090
EP8INSZ
EP8OUTSZ
EP9INSZ
EP9OUTSZ
EP10INSZ
EP10OUTSZ
EP11INSZ
EP11OUTSZ
EP12INSZ
EP12OUTSZ
EP13INSZ
EP13OUTSZ
EP14INSZ
EP14OUTSZ
EP15INSZ
EP15OUTSZ
8OUTAD
9OUTAD
10OUTAD
11OUTAD
12OUTAD
13OUTAD
14OUTAD
15OUTAD
8INAD
9INAD
10INAD
11INAD
12INAD
13INAD
14INAD
15INAD
Figure 8-5. Assembler Translates FIFO Sizes to Addresses
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
equ
256
256
16
16
16
16
0
0
0
0
0
0
0
0
0
0
0
8OUTAD
9OUTAD
10OUTAD + Low(EP10OUTSZ/4)
11OUTAD + Low(EP11OUTSZ/4)
12OUTAD + Low(EP12OUTSZ/4)
13OUTAD + Low(EP13OUTSZ/4)
14OUTAD + Low(EP14OUTSZ/4)
15OUTAD + Low(EP15OUTSZ/4)
8INAD
9INAD
10INAD
11INAD
12INAD
13INAD
14INAD
; Iso FIFO sizes in bytes
; Load these 16 bytes into ADDR regs starting OUT8ADDR
+ Low(EP8OUTSZ/4)
+ Low(EP9OUTSZ/4)
+ Low(EP8INSZ/4)
+ Low(EP9INSZ/4)
+ Low(EP10INSZ/4)
+ Low(EP11INSZ/4)
+ Low(EP12INSZ/4)
+ Low(EP13INSZ/4)
+ Low(EP14INSZ/4)
Chapter 8. EZ-USB CPU
Page 8-7