EZ80F91MCU ZILOG [Zilog, Inc.], EZ80F91MCU Datasheet - Page 64

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

Table 3. Register Map (Continued)
PS019209-0504
Address
(hex)
Chip Select/Wait State Generator, continued
00B2
00B3
Random Access Memory Control
00B4
00B5
00B6
00B7
Serial Peripheral Interface
00B8
00B9
00BA
00BB
00BC
Infrared Encoder/Decoder
00BF
Universal Asynchronous Receiver/Transmitter 0 (UART0)
00C0
Notes:
1. After an external pin reset, the Watch-Dog Timer Control register is reset to 00h. After a Watch-Dog Timer time-
2. When the CPU reads this register, the current sampled value of the port is read.
3. Read Only if RTC is locked; Read/Write if RTC is unlocked.
4. After an external pin reset or a Watch-Dog Timer reset, the RTC Control register is reset to x0xxxx00b. After a
5. Read Only if Flash Memory is locked. Read/Write if Flash Memory is unlocked.
out reset, the Watch-Dog Timer Control register is reset to 20h.
an RTC Alarm sleep-mode recovery reset, the RTC Control register is reset to x0xxxx10b.
Mnemonic
CS3_UBR
CS3_CTL
RAM_CTL
RAM_ADDR_U
MBIST_GPR
MBIST_EMR
SPI_BRG_L
SPI_BRG_H
SPI_CTL
SPI_SR
SPI_TSR
SPI_RBR
IR_CTL
UART0_RBR
UART0_THR
UART0_BRG_L
Name
Chip Select 3 Upper Bound Register
Chip Select 3 Control Register
RAM Control Register
RAM Address Upper Byte Register
General Purpose RAM MBIST Control
Ethernet MAC RAM MBIST Control
SPI Baud Rate Generator Register—
Low Byte
SPI Baud Rate Generator Register—
High Byte
SPI Control Register
SPI Status Register
SPI Transmit Shift Register
SPI Receive Buffer Register
Infrared Encoder/Decoder Control
UART 0 Receive Buffer Register
UART 0 Transmit Holding Register
UART 0 Baud Rate Generator
Register—Low Byte
P R E L I M I N A R Y
Reset
(hex)
XX
XX
XX
XX
FF
00
00
80
00
00
02
00
04
00
00
02
Product Specification
Access
eZ80F91 MCU
CPU
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
W
R
R
R
Register Map
Page
102
103
104
104
215
215
216
217
218
218
207
192
191
190
94
95
#
45